|Jules Dubosq (1817 - 1886) was trained by Jean-Baptist Soleil (1778 - 1878) as an optician. He apprenticed with Soleil at the age of seventeen and in 1839 married Soleil's daughter, Rosalie Jean. Duboscq received from Soleil, upon his retirement, the workshop from which he would produce instruments for the next 40 years. His world wide reputation as an instrument maker was unsurpassed and he was sought after by almost all the leading French scientists of the day (Pasteur, Jamin, Babinet, Bertin, Crova, Violle, Becquerel), as well as several foreign ones. (2) He designed Leon Foucault's electromagnetic regulator and his heliostat. He also built a steroscopic camera that took exposures of the spark produced by an electric arc. Duboscq won metals at the World's Fair in London in 1851, in Paris in 1855 and 1856. In 1853 he published Practical Rules For Photography which discussed his apparatus. He was also an Officer of the Legion of Honour. (3) Duboscq married Soleil's daughter and took over the company which was then known as Duboscq-Soleil. After Soleil died the company merged with Pellin and the name changed to Duboscq-Pellin and then to Pellin after Duboscq died. Duboscq is probably most remembered for inventing stereo photography (for an example click here) and a colorimeter that used the method of comparing the opacity of two solutions. (1)|
2. 19th Century French Scientific Instrument Makers. XIII: Soleil, Duboscq, and Their Successors, Bulletin of the Scientific Instrument Society, No. 51, 1996.
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