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Heeling Error Instrument
heeling error instrument
This is a small plastic box with a clear glass top. The needle is encased in a white plastic tube which enables the graduations to be clearly seen. A mark across the end of this tube is reflected in a prism so that it is viewed from above. The knife edge rests in agate Vs. A needle lifter and spirit level are included.
This is a small plastic box with a clear glass top. The needle is encased in a white plastic tube which enables the graduations to be clearly seen. A mark across the end of this tube is reflected in a prism so that it is viewed from above. The knife edge rests in agate Vs. A needle lifter and spirit level are included.
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Object Details
| ID: | ACO0828 |
|---|---|
| Type: | Heeling Error Instrument |
| Display location: | Not on display |
| Creator: | Bamberg, Carl; Plath, C. |
| Date made: | circa 1945 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 34 mm x 115 mm x 24 mm |