The Vintage Wheatstone Bridge Resistance Box, manufactured by Griffin & George LTD in London between 1901 and 1950, is a rare and valuable piece of scientific collectable. This tool, designed for measuring resistance with high precision, was used in research laboratories during the early 20th century. As a unique and historically significant piece of scientific equipment, it holds both monetary and sentimental value for collectors and enthusiasts of vintage scientific instruments. dont know alot about the item but in good condition . any questions please ask before buying and sold as seen as i dont know how to test it.
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Curve setting out. WHY BUY THIS CALCULATOR?. Whole circle bearing anddistance calculations. Arch level setting out. SITE ENGINEERING PROGRAMS! A cost-effective tool for improving and maintaining high site operational efficiencies.
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Vintage Children’s Research Microscope Kit with working light. Case and accessories included.
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large collection of pens pencils multiple compasses etc...this has been in storage for some time and as such is a little grubby,some are rusty. please look at pics for condition.
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Each stone has been carefully chosen to represent its corresponding planet, then sized, polished and mounted on a silver pin. Saturn's rings are also included.
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EAL 2813 EVERYTHING FOR THE MOTORIST, MOTOR-CYCLIST, ENGINEER, DRAUGHTSMAN AND HANDYMAN '. Kays of Ealing was a parts supplier that sold tools and bicycle spares, so this calculator was also an appropriate tool.
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This product consists of three antique Tasco microscopes from the 1980s, with model numbers 1460H, 1460E, and 1460B. These prepared slides are scientific instruments used for microscope viewing and are highly collectable items for those interested in scientific history and vintage microscopes. With a period spanning from 1951 to the present day, these microscopes offer a glimpse into the past of scientific exploration and technology. Perfect for collectors or enthusiasts of microscopes and scientific instruments, these Tasco microscopes are a rare find from the 1980s. Sold as seen on photos. See my other items for a Thomas Salter 1980 Microscope Thanks
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The scale is crisp, clear, and perfectly preserved. The glass tube is intact with no cracks. • The Case: A sturdy, finger-jointed wooden box with a protective green baize (felt) lining. The box is designed for rugged use in the field while keeping the delicate glass safe.
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