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Airy's Dip Instrument : Zenith Point Needle 2
Zenith point needle 2 from the Airy's dip instrument. Brass needle with pivot marked N in a brass box.
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Object Details
| ID: | AST0701.8 |
|---|---|
| Type: | needle, dip circle |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1870 |
| People: | Royal Greenwich Observatory; Airy, George Biddell |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 10 mm x 270 mm x 30 mm |
| Parts: |
Magnetic, dip circle
|