Used Systemate Numafa Nnn for sale (33,676)

Condition: good (used), Spiral Cooler with Refrigerated Chiller Room In good working condition Chiller Room dimensions 5.4mtr x 4mtr Spiral Cooler 660mm wide wire mesh belt 13 floors high, 170mm high between floors Complete with refrigeration compressor. In use at present Godpfx Aen Tmh Senxsit

Year of construction: 2022, condition: excellent (used), Pallet inverters or pallet changer is used to change loads, goods from one pallet to other pallets. Change loads from wooden pallets to plastic pallets, transfer goods from euro pallets to chep pallets or euro pallets to Dusseldorf pallets. It can handle bags, big bags, carton boxes, cans, yogurt, bottles etc. Gsdpsg Rmfasfx Anxoit This type: FS In very good condition Capacity: 2000 kg Loading tables; 1200 *1200 mm Max. opening 2200 mm Control: electrical

Condition: as good as new (ex-display), Year of construction: 2024, operating hours: 10 h, functionality: fully functional, Pallet stackers or dispensers are used for automatically stacking and destacking of empty pallets to a complete pile. Gedpfx Asg Du Epenxsit Those empty pallets can be loaded by any pallet truck or forklift. (similar to green palomat) Type PD15 In very good condition Capacity: 15 europallets Dimension pallet : 1200 *800 mm Dimension machine : 1.600x1.370x2.170 mm Control: electrical on 220V (single phase) no need for compressed air

Condition: excellent (used), Mesh Belt Conveyor Stainless Steel Belt dimensions 1600mm x 600mm Gijdoiu H Sdjpfx Anxst Control box with stop/start, variable speed control, manual / automatic switch Underneath tray collection facility In excellent condition

Condition: good (used), Machine Security Fencing Giodpfxopy Ei Uo Anxot Dimensions approx 3000mm x 4000mm Complete with entry gates

Condition: good (used), 10 Qty Mobile Racks Galvanised Steel Frame On castors (mobile) Complete with trays Giedpfx Aspy Erkenxet

Condition: defective spare-parts repository (used), Year of construction: 2011, functionality: not functional, laser power: 6,000 W, laser source model: TruFlow 6000, No reserve price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Laser power: 6,000 W Laser source: TruFlow 6000 MACHINE DETAILS Connected load: 114 kVA Mains connection: 400 V Control voltage: 24 V Fuse protection: 200 A Compressed air connection: 6 – 14 bar Gsdpfx Aoy Hqahjnxoit Package dimensions Cabinet: 2600 x 800 x 1200 mm Laser head: 1200 x 1200 x 1200 mm Laser: 3000 x 1600 x 2800 mm 800 x 800 x 2000 mm 1400 x 1000 x 2000 mm 2 x 1200 x 800 x 2200 mm

Year of construction: 2007, condition: used, workpiece length (max.): 5,600 mm, workpiece width (max.): 1,200 mm, The machine comes from a company liquidation. Inspections under power are possible! TECHNICAL DETAILS Max. panel width: 1,200 mm Max. panel length: 5,600 mm Min. panel length: 500 mm Min. panel width: 250 mm Max. feed speed: 30 m/min MACHINE DETAILS Conveyor dimensions (L x W): 10,000 x 5,200 mm Total installed power: 15 kW Giedpjy R S Sasfx Anxet EQUIPMENT Motorized roller table The machine is sold and delivered in its actual and legal condition ("as seen and approved") based on photo documentation and descriptive technical/commercial documentation. The buyer has the right to inspect the goods prior to collection and assumes responsibility for installation, securing, and use of the machine at the destination. External reference: 8447

Condition: used, Year of construction: 2000, workpiece length (max.): 3,000 mm, workpiece width (max.): 1,200 mm, The machine comes from a company closure. Inspections under power are possible! TECHNICAL DETAILS Max. panel width: 1,200 mm Max. panel length: 3,000 mm Lifting capacity: 50 kg MACHINE DETAILS Storage dimensions (L x W): 30,000 x 5,000 mm The machine is sold and delivered in its actual and legal condition (‘as seen and approved’) on the basis of photographic documentation and technical/commercial documents of a descriptive nature. The buyer has the right to inspect the goods prior to collection and assumes responsibility for the installation, securing, and use of the machine at the destination. External reference: 8450 Giedpfey R S Afsx Anxjt

Year of construction: 2007, condition: used, power: 20 kW (27.19 HP), feed rate X-axis: 30 m/min, plate length: 5,600 mm, plate width: 1,200 mm, The machine comes from a business liquidation. Inspections under power are possible! TECHNICAL DETAILS Gedpoy R Szzofx Anxjit Maximum panel width: 1,200 mm Maximum panel length: 5,600 mm Minimum panel width: 250 mm Minimum panel length: 500 mm Maximum feed speed: 30 m/min MACHINE DETAILS Total connected load: 20 kW The machine is sold and delivered in its actual and legal condition ("as seen and approved") based on photo documentation and technical/commercial documents of a descriptive nature. The buyer has the right to inspect the goods prior to collection and assumes responsibility for installation, securing, and use of the machine at the destination site. External reference: 8449

Year of construction: 2007, condition: used, controller model: POWER CONTROL PC21, workpiece length (max.): 5,000 mm, workpiece width (max.): 1,200 mm, The machine comes from a business closure. Inspections under power are possible! TECHNICAL DETAILS Max. panel width: 1,200 mm Max. panel length: 5,000 mm Min. panel length: 500 mm Max. feed speed: 50 m/min Lifting capacity: 100 kg MACHINE DETAILS Control: POWER CONTROL PC21 Control system: WINDOWS Dimensions (L x W): 30,000 x 12,000 mm The machine is sold and delivered in its actual and legal condition ('as seen and agreed') on the basis of photographic documentation and technical/commercial documents of a descriptive nature. The buyer has the right to inspect the equipment prior to collection and assumes responsibility for installation, securing, and use of the machine at the destination. Gedpfjy R Sydsx Anxoit External reference: 8451

Condition: ready for operation (used), functionality: fully functional, outer diameter: 3,500 mm, usable tank capacity: 50,000 l, TECHNICAL DETAILS Number of silos: 2 Gross volume: 50 m³ Giodpoy Hiuwefx Anxet Cylinder diameter: 3,500 mm Cylinder height: 5,000 mm Discharge diameter: 200 mm Roof shape: Conical 15° Cone-shaped floor, apex angle: 60° EQUIPMENT Lifting lugs Hinged manhole, 600 mm diameter with safety grid Mount for pressure/vacuum relief DN80 PN10 nozzle for filling line Nozzle with blind flange Nozzle for overflow Nozzle for level switch

Condition: used, Year of construction: 2010, HORIZON VAC-100a + 4x VAC-100m + ST-40 (2010, Used) 1. Configuration VAC-100a Air Suction Collator Tower × 1 VAC-100m Air Suction Collator Tower × 4 ST-40 Stacker × 1 Language: English Interface Total Stations: 50 Bins Gjdpfxey Rixqj Anxsit 2. Specifications VAC-100 Series Max. Sheet Size: 350 × 500 mm Min. Sheet Size: 120 × 148 mm Paper Weight Range: 40 ~ 250 gsm Bin Capacity: 55 mm per station Power Requirement: 230V / 60Hz Feeding System: Air Suction System ST-40 Max. Sheet Size: 350 × 500 mm Min. Sheet Size: 182 × 128 mm Stacking Capacity: Approx. 360 mm

Condition: new, Year of construction: 2026, functionality: fully functional, power: 400 kW (543.85 HP), Ore Beneficiation Plant for Nickel, Copper, Zinc, Graphite, Gold, Silver, Chrome, Quartz/Silica In today’s competitive mining and metallurgical industry, maximizing ore value is critical. Our state-of-the-art Ore Beneficiation Plant offers a complete solution designed to increase the content and quality of raw ore, transforming it into a marketable product ready for further processing or direct sale. Engineered for a wide range of minerals—including nickel, copper, zinc, graphite, gold, silver, chrome, and quartz/silica—our ore beneficiation plant delivers exceptional performance, efficiency, and reliability. Introduction Mining operations around the world face the challenge of processing ores that are often low in grade and require extensive refinement to be economically viable. Beneficiation—the process of increasing the concentration of valuable minerals—plays a vital role in reducing operational costs, enhancing recovery, and ultimately, ensuring profitability. Our ore beneficiation plant, also known as an ore processing plant or mine dressing plant, integrates advanced technology and robust engineering to deliver an efficient crushing, grinding, classifying, and separation process. Designed to handle a wide variety of ores, our plant is the ideal solution for mining companies looking to optimize their extraction and processing operations. Whether you’re processing nickel, copper, zinc, graphite, gold, silver, chrome, or quartz/silica, our plant provides the versatility and performance needed to meet today’s rigorous industrial standards. ## What Is an Ore Beneficiation Plant? Giodpfxjq Nw Uqj Anxjt An ore beneficiation plant is a facility where raw ore is processed to improve its quality and increase the concentration of valuable minerals. The plant typically includes several stages of processing: 1. Crushing: The raw ore is reduced in size to allow for more efficient downstream processing. 2. Grinding: Further size reduction to liberate the valuable minerals from the waste material. 3. Classifying: Separation of the ore into different size fractions using screening and hydrocyclones. 4. Separation: Employing various physical processes such as magnetic separation, flotation, or gravity separation to concentrate the valuable minerals. 5. Dewatering: Removal of excess water to prepare the concentrate for further processing or shipping. This integrated process not only boosts the metal content but also minimizes waste, thereby improving overall cost efficiency and environmental sustainability.

Condition: new, Year of construction: 2026, functionality: fully functional, power: 11 kW (14.96 HP), A triple pass rotary drum dryer is a type of industrial dryer that is used to reduce or remove moisture from a material. It gets its name from the three rotating drums through which the material passes, each with a different purpose in the drying process. This type of dryer is commonly used in the production of various bulk solids, including minerals, agricultural products, and biomass. Here are the key features and components of a triple pass rotary drum dryer: Godpfx Aoq Nfuzonxoit 1. Triple Pass Design: - The material being dried passes through three rotating drums or cylinders, hence the term "triple pass." Each drum serves a specific purpose in the drying process. 2. Material Flow: - The material enters the dryer and first passes through the innermost drum. After the initial drying phase, it moves to the middle drum and then to the outer drum, undergoing additional drying in each pass. 3. Heat Source: - Heat is typically provided by a combustion system, such as a burner or furnace, located at one end of the drum dryer. The hot gases generated by the combustion process flow through the rotating drums, transferring heat to the material. 4. Air Flow: - The dryer is designed to optimize air flow through the drums, ensuring efficient drying. In a triple pass design, the material and hot gases move counter-currently through the three drums, enhancing heat transfer and drying efficiency. 5. Lifting Flights or Lifters: - Lifters are internal components inside the drums designed to lift and cascade the material as it rotates. This movement promotes good heat transfer and uniform drying. 6. Retention Time: - The triple pass configuration allows for an extended retention time of the material in the drying system. This longer exposure to heat enhances the drying efficiency, making the triple pass rotary drum dryer suitable for materials with high moisture content. 7. Cooling Section: - After the material completes the three passes and reaches the end of the drum dryer, a cooling section may be included to reduce the temperature of the dried material before it is discharged. 8. Applications: - Triple pass rotary drum dryers are used in various industries, including agriculture (drying crops like grains), minerals (drying ores or concentrates), and biomass (drying wood chips or other organic materials). 9. Efficiency and Energy Consumption: - Triple pass rotary drum dryers are known for their high efficiency due to the extended drying time and effective heat transfer. However, they may have higher energy consumption compared to single or double pass dryers. When selecting a triple pass rotary drum dryer, it's essential to consider factors such as the type of material to be dried, required moisture reduction, and overall processing requirements. Proper design and operation are crucial to achieving optimal drying performance. Technical details We have different options for different requirements, please contact our team for more info.

Condition: new, Year of construction: 2026, power: 11 kW (14.96 HP), Rotary drum dryer for drying various kinds of materials like sand, biomass, sawdust, red mud, bentonite, coal Diameter: 1200mm Length: 10000mm Power: 11-13KW Gradient: 3% Capacity: 1.5-3 t/h Weight: 14Tons Besides this model, we also have the other models of rotary drum dryer 1500x12000mm, 2400x20000mm, and complete drying system for various materials, welcome to contact us for more details Our factory can design suitable solution according to your specific requirements. Rotary drum dryers are highly efficient machines used extensively in the processing of wood chips, sawdust, and biomass. They operate by utilizing a rotating drum that heats and dries the materials as they are transported through the cylinder. The design of these dryers allows them to handle a wide range of particle sizes and moisture levels, making them suitable for various types of biomass. They can also tolerate high-temperature exhaust gases, which contributes to their efficiency and versatility in industrial applications. Rotary Drum Dryer for Wood Chip, Sawdust, Biomass 🌳 Introduction to Rotary Drum Dryers In the realm of biomass processing, moisture control is key. Enter the Rotary Drum Dryer, an indispensable machine designed to efficiently reduce the moisture content of wood chips, sawdust, and biomass. This essential tool enhances productivity, improves fuel quality, and is pivotal in biomass energy production. Let’s explore its functionality and benefits! 💡 💼 Key Benefits of Using a Rotary Drum Dryer 1. Energy Efficiency: Designed to optimize energy use, Rotary Drum Dryers consume less power while delivering high drying efficiency. 🌿💡 2. High Capacity: Capable of handling large volumes of biomass, these dryers are perfect for industrial applications where large-scale drying is needed. 🏭 3. Improved Product Quality: By achieving the optimal moisture content, the dryer enhances the quality of biomass for fuel, pellets, and other applications. 🔥 4. Versatility: Suitable for a wide range of materials including wood chips, sawdust, and various types of biomass, making it a versatile tool in any biomass processing plant. 🌳 # Application Fields and Materials of Rotary Drum Dryer II. Application Fields A. Agriculture - Drying of grains, seeds, and forage. - Processing of agricultural by-products like straw and husks. B. Food Industry - Dehydration of food products such as fruits, vegetables, and spices. - Preservation of food quality during drying. C. Chemical Industry - Drying of chemical powders, granules, and crystals. - Application in the production of fertilizers and detergents. D. Mining and Minerals - Drying of ores, coal, and mineral concentrates. - Reduction of moisture content for easier handling and processing. E. Construction Materials - Drying of sand, cement, and other construction aggregates. - Preparation of materials for manufacturing processes. F. Pharmaceuticals - Drying of pharmaceutical powders and active ingredients. III. Materials Processed by Rotary Drum Dryer A. Organic Materials - Biomass, wood chips, sawdust, and animal feed. B. Inorganic Materials - Sand, clay, limestone, and gypsum. C. Waste Products Gjdpfx Anoq Igyvoxjit - Sludge from wastewater treatment plants. - Industrial by-products for recycling or reuse.

Condition: used, Adept Robot System, Industrial Robot, Used Machine Dimensions: Length: 1250 mm Width: 520 mm Height: 1860 mm Manufacturer: Adept Robot System Model: Cobra 800 Type: SCARA (4-axis) Maximum reach: 800 mm Rated payload: 2 kg Gjdpfx Anewm Hnbjxsit Maximum payload: 5.5 kg Repeatability (XY): ±0.017 mm Repeatability (Z): ±0.003 mm Repeatability (Theta): ±0.019° Protection class: IP65 Year of manufacture: 2003 (according to label) Special features: Outstanding precision and speed Integrated servo amplifier and controller (space-saving design) Conveyor tracking and vision system integration capability Easy calibration with absolute encoder Optional IP65 protection (dust and waterproof design) Summary: The Adept Cobra 800 is a high-performance, compact SCARA robot designed for fast, precise, and flexible industrial automation tasks. With a maximum reach of 800 mm, payload capacity of 2–5.5 kg, and excellent repeatability, it is an ideal solution for assembly and material handling operations.

Condition: used, Emulsion treatment system with chip conveyor, Emulsion filter, VRF 450/2100 R, Used machine Manufacturer: KNOLL Type: VRF 450/2100 R Overall dimensions: Width: 2980 mm Depth: 1700 mm Height: 2840 mm Year of manufacture: 2002 Gjdox Ttw Njpfx Anxjit Electrical data: 400 V Tank capacity: 2100 l Filtration capacity: 450 l/min

Condition: used, Dust cyclone with rotary valve, dust cyclone 14,400 m³/h,Cyclone system, used machine Year: 2013 Gisdpfex U Amisx Anxjt Dust Cyclone: HLZ-J 1600 Airflow rate: 14,000 Bm³/h Inlet (suction side): 400 mm Height: 5,853 mm Diameter: 1,695 mm Centrifugal Fan: Ventilatorenfabrik Oelde GmbH Type: HRV 56N-400/M GL360 Airflow rate: 14,400 m³/h Rated power: 22 kW Rotary Valve: Ventilatorenfabrik Oelde GmbH Type: MS 050-390 A Capacity per revolution: 58 liters Rotor with 10 fixed rotor blades (cells)

Condition: used, Year of construction: 2012, Lot consists of: (1) Immunoassay system, one UPC, one printer Gjdpfjy R Rngsx Anxoit

Year of construction: 2007, condition: used, The MOTOMAN welding line is in good condition and has only worked about 100 working hours. Such a set is mostly used in the production of agricultural machinery – trailers, frames, axles. Made to order or assembled from standard products (except portal). The automatic welding station consists of: Station – HD Gantry HP6/EA1400N Positioner – HSB -10000SX Control unit – NX 100 Welding: Arc welding. MIG/MAG welding. Possibility of pulse cooking. The thickness of the wire used is 1 – 1.2 mm. The minimum seam height is 3mm. Maximum wire feed speed 25 m/min. Welding handle cooling function. Laser tracking: Seam search using laser sensors. It is used when changing the position of the seam. Possible deviation from the position of 5 mm. Increase in welding time by 30% and more (depending on the product). Seam fixation at min. 3mm for drop. Positioning: Positioner – HSB-10000SX The carrying capacity of the positioner is 10,000 kg The positioning accuracy of the robot arm is 0.0001 mm Dimensions of welded parts: Height/width – up to 3000 mm (including mounting hardware). Length – up to 6500 mm (including mounting equipment). Maximum weight – up to 3500 kg (limited by lifting equipment). Specifics of the parts that can be welded: Batches of high precision coupling parts. Long weld length. Large metal thicknesses min. 5 mm. Rigid product construction. When a consistent high-quality weld is required. High bending tolerance of parts. High tolerance of overall dimensions of parts. Welding inside the part – depth 110 mm. Giedpem Uc Igofx Anxot If you have more questions, we will be happy to answer them.

Condition: used, Year of construction: 2010, Powder coating line from 2010, in excellent condition. Currently in use, available for inspection and testing. Maximum part size: L x W x H = 2600 x 400 x 1850 mm Equipment Technological conveyor Automatic speed V = 1.2 m/min Speed regulation from 0.5 to 2.5 m/min Preparation station MNA-3-LPG, total length 16.7 m Entry area: L = 2.5 m a. Washing, degreasing and phosphating: L = 3.6 m Number of spray frames – 10 Number of nozzles in the frame – 18 Total number of nozzles – 180 Pump capacity – 162 m³/h Pump power – 15 kW 4 m³ capacity for active liquid Internal heat exchanger with LPG burner – 160 kW Temperature – 50°C Mechanical oil separator Filtration system Dosing system with diaphragm pump and regulator Washing time – 3 min b. Drip zone L = 3.1 m Drip time – 2 min 30 sec c. First rinse L = 1.2 m Number of spray frames – 4 Number of nozzles in the frame – 18 Total number of nozzles – 64 Pump capacity – 38 m³/h Pump power – 3 kW 1.5 m³ water capacity Rinse time – 1 min d. Drip zone L = 3.1 m Drip time – 2 min 30 sec e. Fine rinse L = 1.28 m Number of spray frames – 3 Number of nozzles in the frame – 18 Total number of nozzles – 54 Pump capacity – 33 m³/h 1.5 m³ water capacity Pump power – 3 kW Additional spray frame Rinse time – 1 min f. Drip zone L = 2 m Drip duration – 1 min 40 sec Three connections for the extraction system with three fans Working zone made of stainless steel Pipes made of PVC or stainless steel 1 pc. Automatic dryer after washing AST-1-KLPG: Dimensions of the working zone L x W x H = 7000 x 3000 x 2800 mm Air curtains on each side to reduce heat loss Indirect heat exchanger, heated by LPG, 200 kW Three fans, air supply 6000 m³/h Two connections for the extraction system Temperature sensor and regulator Overheating sensor Circulation sensor Working zone made of galvanized steel Thermal insulation 200 mm thick Drying time – 10 min 1 pc. Automatic polymerization oven APT-2-KLPG Working area dimensions L x W x H = 10200 x 3600 x 2800 mm Air curtains on one side to reduce heat loss Two indirect heat exchangers heated by LPG, each 300 kW Eight circulation fans, each with a capacity of 6000 m³/h Two connections for the exhaust system Gisdpfov Ed Uksx Anxjt Temperature sensor and regulator Overheating sensor Circulation sensor Working area made of galvanized steel Thermal insulation 200 mm thick Polymerization time – 25 min 1 pc. Overhead rail transportation system for ATR paint shop: Straight rail with hangers L = 400 mm – 146 m Drive station – 2 pcs. Tension station – 1 pc. Chain lubrication station – 1 pc. Rail support structure drawings – 1 set.

Condition: good (used), Pallet racking system with chipboard decking according to your needs. Gijdpfx Ajd Duc Tenxst Frame height, frame depth, beam length is also according to your requirements. Send your enquiry and we plan your system accordingly.

Year of construction: 2026, condition: new, functionality: fully functional, Vacuum Press / Membrane Press “Columbus Pioneer” – Available for Immediate Delivery! (Modular system with various configurations and usable surfaces) – now including a digital Master Manual and AI support on tablet for a safe start and reproducible results. The COLUMBUS Pioneer is a professional vacuum and membrane press for applications such as vacuum form-bonding, veneering, coating, and laminating of flat or curved workpieces. Thanks to its modular concept, the machine can be adapted to different requirements and is available in various sizes and configurations. Technical Features: • Quick-change membrane system • Gas pressure dampers for comfortable lid opening • Highly elastic natural rubber membrane (up to +130 °C) • Durable phenolic resin worktop, 15-ply bonded (up to +120 °C) • BECKER high-performance vacuum pump, 40 m³/h (up to 900 mbar / 9 t/m²) • Optional automatic shut-off upon reaching set pressure • Pressure regulation 400–900 mbar with analogue vacuum gauge • Connection for external vacuum bag • Base feet with smooth-running swivel castors • FESTO pneumatic components and SIEMENS electrical systems Available Working Areas: 3,050 mm x 1,350 mm (Pioneer L) 4,050 mm x 1,350 mm (Pioneer XL) 4,050 mm x 1,700 mm (Pioneer XXL) Designs/Modular Configuration: Godpfx Aoy Rkqnjnxsit The COLUMBUS Pioneer features a modular design and is available in BASIC (classic vacuum pressing such as veneering, coating, and form-bonding), HEAT (heating and thermoforming of plastics and solid surface materials), and VERTICAL (processing of taller workpieces and convenient loading/unloading via vertical opening) versions, which can be combined or retrofitted depending on requirements. COLUMBUS machines are designed for long-term operation and are manufactured using high-quality industrial components. The robust construction, proven components from renowned manufacturers, and precision workmanship ensure high durability and reliable performance. COLUMBUS offers a lifetime warranty on the machine frame (excluding wearing parts). Every COLUMBUS Pioneer is part of the COLUMBUS 360° System. This includes the digital Master Manual with extensive practical vacuum technology knowledge and Master GPT – an artificial intelligence for all questions regarding the machine, applications, materials, and optimal process parameters. The system assists users with setup, operation, and process optimization, and comes with a tablet for immediate use.

Year of construction: 2026, condition: new, functionality: fully functional, COLUMBUS PIONEER – Modular Vacuum & Membrane Press with Lifetime Guarantee The COLUMBUS Pioneer is the professional solution for joineries and woodworking shops looking to produce flexibly and invest securely for the long term. Ideal for: * Veneering * Form gluing * Laminating * Thermoforming * Solid surface materials * Curved workpieces Your benefits: * Modular system – can be expanded at any time * Lifetime guarantee on the machine frame * Robust industrial construction * Columbus 360° included: Master Manual + AI support * Premium components from BECKER, FESTO, and SIEMENS * Simple operation and high reliability Features: * Quick-change membrane system * Natural rubber membrane rated up to +130 °C * Adjustable vacuum pressure from 400–900 mbar * Connection for external vacuum bag * Sturdy phenolic resin work surface * Smooth-running swivel casters Available sizes: * L: 3,050 x 1,350 mm * XL: 4,050 x 1,350 mm Gsdpfx Anoy Rkgpjxjit * XXL: 4,050 x 1,700 mm COLUMBUS has been developing vacuum technology for professional users for 50 years. Viewing and consultation available by appointment.