pl23_ship4006.jpg

Figure 5

Image

Download ( 1.44 MB )

Permalink

https://www.noaa.gov/media/digital-library-photo/pl23ship4006jpg

Description

Figure 5. P. Regnard's combination photometer and photometric recording device.Invented by Paul Regnard in 1888 for measuring the intensity and duration of liglight with increasing depth. It was used by Prince Albert aboard a steam tug offFunchal at depths of 20, 30, and 40 meters. The balloon pressure device was not part of the original instrument but added afterwards.

Credit

Oceanographic Museum of Monaco

Photographer

P. Roggero

Collection

Voyage to Inner Space
History of Oceanography Collection
The Early Instruments - Collections of the Oceanographic Museum at Monaco
Photometers

Keywords

Oceanography
Historical instruments