The article "More Flexure Springs Part 1" by D. Crawforth-Hitchins, published in Equilibrium, the quarterly magazine of the International Society of Antique Scale Collectors, delves into the history and development of flexure springs used in weighing machines. One significant highlight of the article is the discussion of Jean Samuel Pauly's British patent No. 4059, dated August 15, 1816.
Jean Samuel Pauly, a French engineer who had moved to Britain, is credited with one of the earliest documented uses of flexure springs in weighing devices. His patent described "A machine for ascertaining in an improved manner the weight of any article." This innovative device featured a nearly square iron or metallic box housing springs and other mechanical components. The machine was equipped with a brass or iron dial and a steel hand, and was designed to be suspended by an iron ring and handle.
The machine's dial, graduated in pounds avoirdupois, indicated Pauly's intention to market the device in B...
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