Switzerland Archives

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ENGLISH INSTRUMENTS IN ENLIGHTENMENT GENEVA: AN ILLUSTRATED MANUSCRIPT ACCOUNT BOOK WITH ASTRONOMICAL OBSERVATIONS, AS WELL AS BOTANICAL AND OTHER SCIENTIFIC CONTENT FROM THE PROMINENT GENEVA FAMILY OF PICOT, 1780–1850s [RAMSDEN, Jesse (1735–1800); TROUGHTON, Edward (1753–1835); CAVALLO, Tiberius (1749–1809)] PICOT, Pierre (1746–1822); PICOT, Jean Gédéon (1750–1784) Notes on scientific instruments and astronomical observations [contained in:] a family accounts ledger dated 1780 to the title page and running to c.1800, with some later notes Summary: An important manuscript account of Ramsden’s achromatic eyepiece, and a transcript Read More...

26 Apr

A very early compensating polar planimeter dated 28 november 1894 and signed by Coradi

By Le Zograscope

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A fine example and of the very first “compensating” polar planimeter invented and introduced by Gottlied Coradi in 1894. The present example bears the serial number 1943 both on the label stamped in the cased and one the instrument and is signed by Coradi himself. “”Gottlieb Coradi (1847–1929) began to make wheel and disc polar planimeters in the early 1880s. In 1894 he made the pole arm higher than the tracer arm and connected the arms with a ball joint. This Read More...

24 Mar

Large Architect / Drawing Set cased and signed I.Kern a Aarau In Suisse C.1800

By Antiques Le Saint Georges

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Large Architect / Drawing Set cased and signed on the cover top I.Kern a Anna In Suisse C.1800 Very complete. Just some crack to the green leather. Read More...

21 Dec

Cased Thury & Amey Microscope and Micrometres

By Orlando Microscopes

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Cased Thury & Amey Microscope and Micrometres. C. 1876, there are a few accessories with microscope, other than what is already mounted on the microscope, including the key (lock does not function) and an objective. Coarse focusing works smoothly. The unique stage functions smoothly in all directions. The substage mirror is only one sided, with a white disc on the other side. Both are in good condition. The body tube/support pillar rotate at the base. Microscope stands 12.25 “(31.1 Read More...

28 Sep

~FINE METROLOGICAL MICROSCOPE WITH FRAUENHOFER MICROMETER~

By Scientifica Opticae Inc.

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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 Read More...

30 Jul

Rare and early Thury & Amey Swiss microscope in case numbered 119, late 19th

By Le Zograscope

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This is an early model produced by the fine Swiss optical instrument maker, Thury & Amey, bearing the serial number 119 so datable from the late 19th century. Thury & Amey are, with the Société Génévoise d’instruments de physique et de mécanique, the best Swiss maker of microscopes from the late 19th century and early 20th century. The present example is an early example with a typical body shape. This is a mid-size example. It preserves two eyepieces with the initiales Read More...

05 Jul

Rare Electric Master Deck Watch in carrying box – Ulysse Nardin, 1943, Geneva, Switzerland

By Archipel

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At sea, having the right time on board is essential to be able to make a position. Very rare and large deck watch in a case of stainless steel made by Ulysse Nardin. Special about this specimen is the electrical mechanism by which the watch can be used as a master timekeeper or mother clock. Stored in a three tier deck box with key and carrying case lined with green baize. Both made of mahogany. The white enamel dial with Read More...

19 Sep

A Swiss Goldschmid pocket barometer, signed “Th. Usteri-Reinacher, Zurich, N. 3435”

By Nautilus Antiques

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A Goldschmid pocket barometer, Swiss, late 19th century, signed “Th. Usteri-Reinacher, Zurich, N. 3435” This beautifully constructed aneroid barometer is contained in a shaped pebbled-leather covered (case not complete), and consists of a 8 cm diameter lacquered brass drum, height 7 cm. There’s a readout magnifier, a lateral thermometer and a rotating top with a correction parameters’ table (with an humidity stain on it). It looks complete to me but it’s not tested. Invented by the instrument maker J. Goldschmid c. 1857, the Read More...

21 Jul

DENTAL GUAGES FOR POSTS MADE BY CENORES & METAUX SA BIENNE

By Victor Burness

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4 guages attached to a brass frame for the dentist to size the required post Read More...

15 Nov

~GOOD PART SET OF von RAPPARD SLIDES-BOXED~

By Scientifica Opticae Inc.

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A near complete boxed set of miscellaneous Conrad von Rappard paper covered slides. Black and gold paper and hand writing indicative of the preparer c.1860. Numbers 1, 14 and 21 missing. Hand writing matches even on slides not using his trademark labels ( in French). Subject matter is mostly marine. Original box numbered 4, Preparations, Mscs. 21/24 in total. Labels and subject matter in good condition ( a couple re-numbered and one re-labelled ). Slides measure 2 5/8 x Read More...