Figure 65. Marconi electrolytic sounder - a Langevin-Touly electric recording sounder marketed by the Marconi Sounding Device Co. Ltd. which sold these instruments in Great Britain. The Langevin-Touly instrument was first marketed in 1935.
Photo Category: Oceanography - Historical instruments
398 x 640 | 32.51 KB | |
796 x 1280 | 120.37 KB | |
1367 x 2199 | 334.74 KB |
Added On | 18th October 2015 |
Viewed | 10 viewed |