PRECISION CALIPERS FROM STUTTGART

PRECISION CALIPERS FROM STUTTGART

Stock Number: 9426

$1495.

For sale, antique precision calipers from Germany, by an unusual and expert maker. Made of brass and steel with clampscrew and fine adjustment screw, it is very well engraved and of high quality.

Dimensions

8-1/2 to 15-1/2 inches (22-39 cm)

Circa

c. early 19th century

Country of manufacture

Germany

Category: Surveying Instruments & Mining

Description

PRECISION CALIPERS FROM STUTTGART, German, early 19th century, signed “Baumann, Stuttgart.” Made of brass with steel tips, these sliding calipers open from 8-1/2″ to 15-1/2″ (22 – 39 cm), with clampscrew and fine adjustment screw. Setting is made with fine steel points or flat parallel jaws. The sides are engraved with scales of Rheinland measure and French measure, including both “Pied du Roi” and “metre.” There are four verniers with readouts to tenths of a division (e.g., tenths of a millimeter). The scales are finely divided and beautifully engraved (e.g., “Fufs = 1 dec Ruthe”). Condition is fine, the instrument of particularly high quality. Baumann was a maker of precision surveying instruments. The Websters reckon him c. 1760 – 1830, and record a circumferentor and a repeating circle by him. Another of his instruments, a fine brass theodolite, has recently appeared on the market.

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US TESSERACT

David and Yola Coffeen both have enjoyed academic careers, as planetary astronomer and as linguist/educator. But since 1982 (yes, 1982!) they have been full-time dealers in early scientific and medical instruments, under the name Tesseract. Selling primarily by catalogue (over 100 issued so far) they also have a web presence at www.etesseract.com, and can be contacted at [email protected]

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