Lot n° 111
Estimation :
40 - 60
EUR
Result without fees
Result
: 36EUR
Jules DUBOSQ & PELLIN Philibert - Lot 111
Jules DUBOSQ & PELLIN Philibert
Brass and metal colorimeter, resting on a wooden base opening with a drawer.
Engraved "Mon Jules Dubosq - Ph. Pellin Paris".
(oxidation, missing parts, wear, one wooden part to be glued back, sold as is)
Height Height : 42 cm
Note: An arts et manufactures engineer (Centrale Paris, Class of 1870), Philibert Pellin formed a partnership with Jules Duboscq, then on his death took over the whole company under the name of Pellin, located in Paris at 21 rue de l'Odéon, then at 5 avenue d'Orléans. He built numerous optical instruments for science and industry, often based on the physical properties of light (spectrum, polarization). Together with André Broca, he invented a type of constant-deflection prism known as the Pellin-Broca prism.
A colorimeter is a tool for analyzing colored samples.
In chemistry, a colorimeter is a device for measuring the absorbance or transmittance of a solution at a small number of predetermined wavelengths.
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