Sounding machine
Dia. of tube 2.75" (7cm). A propeller is mounted in an open ended tube between cross bars-a worm on the shaft drives two indicating wheels. An iron weight is cast over the lower half of tube with indentations for tallow.
Modification of 1862 patent no. 2280.
Modification of 1862 patent no. 2280.
Object details
| ID: | NAV0685 |
|---|---|
| Type: | Sounding machine |
| Materials: | Metal: bronze ?; Metal: brass ? Metal: iron ? |
| Display location: | Not on display |
| Creator: | A. Walker & Son |
| Date made: | After 1862 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | 457 mm |
| Parts: | Sounding machine |