glass trough
Date1850-1900
Inventory Number1997-1-1646
ClassificationTrough
Subject
Maker
Louis Jules Duboscq
?
French, 1817 - 1886
Maker
Jules Duboscq & Philibért François Pellin
?
1885 - 1912
Cultural Region
Place of Origin
Dimensions13 × 19.7 × 20 cm (5 1/8 × 7 3/4 × 7 7/8 in.)
Material
DescriptionGlass trough in brass with four glass walls, supported by four leveling screws. Filled with water or other liquids of various densities, it may have been used for the study of inertial masses in liquids.
Signedunsigned
FunctionFor a description of such an instrument, found in a Pellin catalogue, go to the following website.
Nicolas Marie Paymal Lerebours
Date: 1830-1845
Object number: 1997-1-1681
Jean Baptiste François Soleil
Date: 1840-1850
Object number: 1998-1-1227
Louis Jules Duboscq
Date: circa 1875
Object number: 1997-1-1477a
French
Date: 1890-1910
Accessories: blue cylindrical cardboard case
Object number: 4448
Louis Jules Duboscq
Date: 1860-1879, 1882-1885
Accessories: 2nd mirror; 2nd brass cover for mirror mount hole; 2nd face plate with twin lenses (originally found with 1998-1-1635 which it did not fit. Jan 2008).
Object number: 1997-1-1469a,b
Louis Jules Duboscq
Date: 1850-1880
Accessories: RAPPORT FAIT A L'ACADEMIE ROYAL SCIENCES SUR UN NOUVEL HELIOSTAT, Presente par M. SILBERMAN aine. (in instrument file folder)
Object number: 2000
