Sujet
Colorimeter, after design by Labilliardiere with modifications by Salleron
Légende
Colorimeter, after design by Labilliardiere with modifications by Salleron. The intensities of two liquids in glass tubes are made equal by adding water to the stringer and measuring the water added. Instrument used in chemical analysis to compare with standard control. Wood engraving 1871
Date
1871
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07104_460001311
Licence
Droits gérés
Format disponible
26,7Mo (1,6Mo) / 22,3cm x 30,0cm / 2632 x 3543 (300dpi)