pl23_ship4019.jpg
Description
Figure 16. J. Richard's photometer. Left: the apparatus. Right, (from top tobottom): exposure mechanism before opening; exposure mechanism during opening;exposure mechanism after opening.
Credit
Oceanographic Museum of Monaco
Photographer
Y. Berard
Collection
Voyage to Inner Space
History of Oceanography Collection
The Early Instruments - Collections of the Oceanographic Museum at Monaco
Photometers
Keywords
Oceanography
Historical instruments