collimator with projection lens
Date1850-1870
Inventory Number2007-1-0470
ClassificationLens
Subject
Maker
Louis Jules Duboscq
French, 1817 - 1886
Cultural Region
Place of Origin
Dimensions7 × 10.3 × 10.3 cm (2 3/4 × 4 1/16 × 4 1/16 in.)
Material
DescriptionLarge brass tube with inner diameter of about 9.2 has a flared rim with knurled edges. At the other end is a plano-convex lens.
The adjustable single and double slits by Duboscq (2007-1-0467 and 2007-1-0469) fit into this tube readily.
The adjustable single and double slits by Duboscq (2007-1-0467 and 2007-1-0469) fit into this tube readily.
Signedunsigned
Curatorial RemarksThis object may be part of a collection of miscellaneous items attached to a slip of paper: "From Mrs. Weston Howland. November 1945. Uncatalogued portions of some piece of scientific apparatus, about the former ownership or use of which nothing was known."
Louis Jules Duboscq
Date: circa 1875
Object number: 1997-1-1477a
Louis Jules Duboscq
Date: 1860-1879, 1882-1885
Object number: 1997-1-0687
Louis Jules Duboscq
Date: 1860-1879, 1882-1885
Object number: 1997-1-0688