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Louis Jules Duboscq (March 5, 1817 – September 24, 1886) was a French instrument maker, inventor, and pioneering photographer. He was known in his time, and is remembered today, for the high quality of his optical instruments.
Louis Jules Duboscq
Image:Duboscq colorimeter 1870.jpg , A Duboscq colorimeter
Image:Duboscq Jules Still life with skull.jpg , Duboscq"s ''Still life with skull''
Image:Duboscq lamp.jpg , A Duboscq lamp
{{DEFAULTSORT:Duboscq, Jules
19th-century French inventors
Pioneers of photography
19th-century French photographers
1817 births
1886 deaths
Photographers from Paris
Louis Jules Duboscq (March 5, 1817 – September 24, 1886) was a French instrument maker, inventor, and pioneering photographer. He was known in his time, and is remembered today, for the high quality of his optical instruments.
Life and work
Duboscq was born atSeine-et-Oise
Seine-et-Oise () was the former department of France encompassing the western, northern and southern parts of the metropolitan area of Paris.Jean-Baptiste-François Soleil
Jean-Baptiste François Soleil (1798–1878) was a French optician and engineer.
Biography
In 1819, Soleil founded an eponymous company at 23 Passage Vivienne in Paris, specialised in making optics instruments for such notable researchers as ...
(1798–1878), a prominent instrument maker, and he married one of Soleil's daughters, Rosalie Jeanne Josephine, in 1839.
Among the instruments Duboscq built were a stereoscope
A stereoscope is a device for viewing a stereoscopic pair of separate images, depicting left-eye and right-eye views of the same scene, as a single three-dimensional image.
A typical stereoscope provides each eye with a lens that makes the ima ...
(marketing David Brewster
Sir David Brewster KH PRSE FRS FSA Scot FSSA MICE (11 December 178110 February 1868) was a British scientist, inventor, author, and academic administrator. In science he is principally remembered for his experimental work in physical optics ...
's lenticular stereoscope), a colorimeter, a polarimeter, a heliostat
A heliostat (from ''helios'', the Greek word for ''sun'', and ''stat'', as in stationary) is a device that includes a mirror, usually a plane mirror, which turns so as to keep reflecting sunlight toward a predetermined target, compensating ...
and a saccharimeter
A saccharimeter is an instrument for measuring the concentration of sugar solutions.
This is commonly achieved using a measurement of refractive index (refractometer) or the angle of rotation of polarization of optically active sugars (polarimet ...
.See also
*Colorimetry (chemical method)
In physical and analytical chemistry, colorimetry or colourimetry is a technique used to determine the concentration of colored compounds in solution.
A colorimeter is a device used to test the concentration of a solution by measuring its ...
References
Further reading
* *External links
Louis Jules Duboscq