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scientific instrument

Object NameChromatophotoptometer in Original Box
Maker Lucien Giroux (French)
Made FromBrass, Quartz, Glass, Wood, Leather, Velvet, Satin
Dateabout 1895
TechniqueAssembled
Size(a) Chromatophotoptometer H: 7.3 cm, W: 20.4 cm, D: 6.2 cm; (b) Original Box H: 7.5 cm, W: 22.1 cm, D: 10 cm
Accession Number2016.8.8
Place Made
France, Paris
Physical DescriptionChromatophotoptometer in Original Box. Brass, quartz, glass, wood, leather, velvet, satin; assembled. (a) Cylindrical brass instrument mounted upon a finger ring and a swing-away aperture. Cylinder contains an optical train including a cut quartz plate and polarizing Nicol prism. Shaft engraved: "Chromatophotoptometre du Dr. Chibret / GIROUX PARIS". Circular silver plate inscribed: "JAUNE", "ORANGE", "ROUGE", and "VIOLET". (b) Original wood box bound in black leather (granulated to simulate fish skin), and lined in red velvet and red satin. Interior of lid inscribed in gold: "EXPOSITIONS UNIVERSELLES M?EDAILLES D'OR / MON P. ROULOT / GIROUX SUCCr / OPTICIEN CONSTRUCTEUR / PARIS / 58. QUAI DES ORFEVRES. 58. / PR?ES LE PONT NEUF.", "PARIS / 1878", and "PARIS / 1889".
Provenance
Provenance information not currently available online. Please check back in the coming weeks.
hydrometer
Salleron Dujardin
1903
Marasquin
1930-1940
bottle
about 1800-1880
medallion
René Lalique
designed in 1937
paperweight
1825-1850