Instruments

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[SCIENTIFIC INSTRUMENTS -- MINING]. AINSWORTH, WilliamBiblio.com

Illustrating and describing the superior line of assay and analytical balances. Catalogue A. Manufactured by. . . .

1898ref. 52564Denver CO: Wm. Ainsworth 2151 Lawrence St. 1898. Oblong 8vo. 24 pp. Text illustrations & diagrams throughout. Pink-coloured printed softcovers cover art of assayers scale on front and back covers minor shelfwear minor tidemark to upper fore-edges slight sunning still VG- copy w/ original printed mailing envelope addressed to Joe Seliger 1868-1947 former stenographer secretary and metalworker for Honeyman Hardware Co. Portland OR. First edition of this very rare catalogue detailing the precision balances for mineral assayers manufacturers chemists jewelers and pulp paper makers. Ainsworth 1850-1917 began as a fine watchmaker steam engineer toolmaker and distiller who moved to Denver in 1877 where he initially began working for A.B. Ingols Jewelry. By the 1880s he was operating a jewelry store repairing balance scales for miners and assayers because at the time these were produced in England and required months of turnaround time for them to be shipped back and repaired prior to Ainsworth. Ainsworth developed his own excellent balance as presented in this catalogue which featured a shortened balance beam speeding up the assaying process and were much preferred by Western assay offices and miners. He continued to operate as a watchmaker and clock repairer but by 1895 began producing Brunton’s newly patented Pocket Transit which together with the balances proved to be a very successful combination with his first Catalogues A & B depicting both products issued in 1898. The company would continue to grow after his death and would be purchased by Xavier Science Corporation and now owned by the Denver Instrument Company. No copies located in Worldcat; See: John Shannon & Geraldine Shannon The Assay Balance: Its Evolution and the History of the Companies That Made Them -- William Ainsworth Robert A. Paselk Scientific Instrument Museum Humboldt State Univ. Dept. of Chemistry 1999. Wm. Ainsworth, 2151 Lawrence St., paperback

Zephyr Used & Rare Books · United States$275.00≈ €245.21

[MEDICAL INSTRUMENTS & FURNITURE]. [HILLS, Thomas Chadwick].Biblio.com

Illustrated catalogue: surgeon’s instruments physicians supplies microscopes and accessories laboratory apparatus hospital and office furniture sterilizing apparatus invalid’s furniture sick room utensils electrical and X-Ray apparatus orthopedic apparatus. . . .

1912ref. 60283New Orleans LA: The McDermott Surgical Instrument Co. Ltd. 736-738 Poydras St. ca. 1912. Tall 8vo. 2 576 xvi pp. “Section G” printed on coated paper stock. With well over 1500 photographic and woodcut-engraved text illustrations throughout. Dark green publisher’s cloth Arts & Crafts decoration front cover black lettering front cover & spine minor scuffing edgewear minor bumping to corners inner hinges starting still VG- sound copy. Second edition stated revised & updated of this surprisingly scarce Louisiana medical supply company’s offerings in the Progressive Era. This catalogue includes a remarkable range of early 20th-Century medical equipment ranging from microscopes fitted with new electric arc lamp to electric centrifuges for testing hypodermic syringes antitoxine syringes anaesthetic equipment electrical illuminating apparatus electro-therapeutic wall cabins X-Ray machines portable radiographic Scheidel cases and much more. The McDermott Surgical Instrument Co. Ltd. was owned and directed by T.C. Hills 1867-1930 and Edwin J. Sack initially on Charles Street specializing in surgical instruments artificial limbs trusses medical equipment and more. Founded originally at the end of the 19th-Century and specializing in artificial limbs and trusses by 1910 the company had substantially expanded and moved to 736-738 Poydras St. expanding their offerings and their reach. Worldcat does locate over 10 locations for this catalogue however the collation is often not matching and the dating incorrect. The McDermott Surgical Instrument Co., Ltd., 736-738 Poydras St., hardcover

Zephyr Used & Rare Books · United States$350.00≈ €312.08

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