~MUSEUM QUALITY DUBOSCQ/PELLIN COLORIMETER c. 1885~

~MUSEUM QUALITY DUBOSCQ/PELLIN COLORIMETER c. 1885~

$800 USD ( 700 Euros, 600 GBP) + postage

A fine and rare colorimeter by Duboscq/Pellin c.1885

Dimensions

17 x 8 x 5

Circa

1885

Country of manufacture

France

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

Description

A fine and rare museum quality Duboscq/Pellin colorimeter c.1885 with unusual features only seen in this example. Although the basic design did not change for 50 years, I believe this is one of the earliest collaborations of these Paris instrument makers. Early signature on the backing plate “Mr. Jules Duboscq, Ph. Pellin, Paris”, it stands 17 inches tall and is mounted on a mahogany base (8 x 5 inches) with drawer and rounded drawer pull. Draw tube eyepiece focussing to the prism head, independent rack and pinion distance scale in millimeters (for the sample buckets), dark green and  blue glass light filters, OCTAGONAL plungers,  round glass sample vials for comparative viewing, and a rectangular mirror angled by knurled knob. In the 1913 Pellin catalogue the design is similar although the base is metal, the plungers are solid, round glass and the sample vials are cup-shaped. There was also an optional micrometer eyepiece to measure the comparative sample light wavelengths. The construction is of anodized and bright brass (70% lacquer remaing with spotting and minor scratches). A very early example in untouched cosmetic condition. Mounting screws on the sides for a shield/cover. The only example extant on a mahogany base.

Jules Duboscq (1817-1886) apprenticed to Soleil and formed a partnership with Philibert Francois Pellin (1847-1923) in 1885.

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CA ScientificaOpticae

Scientifica Opticae

Mark Hacking (Scientifica Opticae Inc.) has been an avid collector/dealer for over 30 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).

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