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Walker's "Excelsior" Speed variation indicator
Consists of a heavy brass casing containing an indicator dial, graduated in knots 0-10. A slotted outrigger arm 6.25" (15.9cm) long is attached to a spindle on top of instrument. A housing shoe is fitted to base.
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Object Details
| ID: | NAV0752 |
|---|---|
| Type: | Log speed variation indicator |
| Display location: | Not on display |
| Creator: | Thomas Walker & Son Ltd |
| Date made: | circa 1960 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 150 mm x 160 mm x 130 mm |
| Parts: | Walker's "Excelsior" Speed variation indicator |