~FINE METROLOGICAL MICROSCOPE WITH FRAUENHOFER MICROMETER~

~FINE METROLOGICAL MICROSCOPE WITH FRAUENHOFER MICROMETER~

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A fine metrological (measuring) microscope with micrometer and interchangeable head c.1900

Dimensions

14 x 9 x 9 inches (35 x 23 x 23 cm.)

Circa

1900

Maker

Thury/DeLaRive

Country of manufacture

Switzerland

Categories: Calculating, Microscopy, Scales Weights & Measures, Engineering antiques, Office Antiques, Other Technology Antiques, Patent & Salesmans Samples

Description

Standing 14 inches tall (racked down), this microscope is a rare survivor. Constructed from black enamelled cast iron and bright brass, it is a marvel of engineering. Interchangeable head stock and Frauenhofer micrometer, it was the finest Swiss measuring device of it’s day. Folding tripod base with a spread of 9 inches (adjustable for height), the microscope can be used in the vertical configuration or after detaching the stage and the mirror, in a horizontal plane. The stage and the micrometer can be interchanged as well. The instrument is supplied with one eyepiece, one objective and a substage light reducing stop. It will be posted in parts (simple re-assembly). Good optics, 99% original orange lacquer and black enamel paint. Wonderful fully rotating Frauenhofer micrometer. Single sided mirror.

It was likely designed and produced by two Swiss scientists, Marc Thury and Auguste DeLaRive who founded the firm of Societe Genevoise pour la Construction d’instruments de Physique, Geneve, commencing in 1862. Instrument dates to c.1900. No box. Nice display instrument for those collectors of microscopy and manufacturing/measuring antiques.

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CA ScientificaOpticae

Scientifica Opticae

Mark Hacking (Scientifica Opticae Inc.) has been an avid collector/dealer for over 40 years. A former Science teacher, he has an innate love for anything natural or mechanical. Specializing in optical (microscopes, telescopes), surveying, medical, weighing and drawing instruments, he is an active participant of the Scientific Instrument Fair in London. Living in Stratford, Ontario, Canada, with his wife and two children; Mark looks forward to meeting as many fellow collectors as possible, and has a worldwide following on eBay (Sciopti). As of Nov. 1/24 my email has changed to either [email protected] or [email protected].

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