Figure 9. Old hinged valve bottle; inventor unknown; date of first use unknown. This example was constructed by Max Marx. Left: Appearance on descent. Right : after closing and ascending.
Photo Category: Oceanography - Historical instruments
| 401 x 640 | 34.67 KB | |
| 801 x 1280 | 130.87 KB | |
| 1375 x 2199 | 389.04 KB |
| Added On | 18th October 2015 |
| Viewed | 16 viewed |
| Downloads | 1 Downloaded |