4 media by topic ∙ page 1 of 1
Duboscq Jules Still life with skull
Photograph - "Still life with skull", by Louis Jules Duboscq (1817-1886). See the collection at the George Eastman House for a copy
Duboscq colorimeter 1870 - Public domain portrait drawing
A drawing and diagram of a Duboscq colorimeter, for visually obtaining a color match between two columns of fluid to arrive at a quantitative concentration ratio.
Meyers b9 s0961 b1 - Public domain book illustration
Deutsch: Kolorimeter von Dubosq.
Opfindelsernes bog3 fig318
Dansk: "Opfindelsernes Bog" 1878 af André Lütken, Fig. 318. Duboscqs Lampe. English: "Opfindelsernes Bog" (Book of inventions) 1878 by André Lütken, Ill. 304.