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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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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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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eBay