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Crescent dial
Crescent dial for latitudes 10°-90° North. Standard dial (see related terms) except for the following details:-
The dial-plate is gilt-brass while the leg and levelling screws are silver. The hour-plate is gilt-brass, has silver hour scales, a date scale and a gnomon. The silver latitude arc is divided [10°]-90° and the plumb-bob support, also silver, carries a gilt-brass bob.
In all respects, this instrument closely resembles AST0352. On its obverse side, the dial is engraved 'Masig a London 52'. Masig was the London agent of a number of dial makers. The maker of this dial was probably either Johann Martin or Johann Willebrand.
For more information regarding this dial please refer to the OUP & NMM catalogue, 'Sundials at Greenwich'.
The dial-plate is gilt-brass while the leg and levelling screws are silver. The hour-plate is gilt-brass, has silver hour scales, a date scale and a gnomon. The silver latitude arc is divided [10°]-90° and the plumb-bob support, also silver, carries a gilt-brass bob.
In all respects, this instrument closely resembles AST0352. On its obverse side, the dial is engraved 'Masig a London 52'. Masig was the London agent of a number of dial makers. The maker of this dial was probably either Johann Martin or Johann Willebrand.
For more information regarding this dial please refer to the OUP & NMM catalogue, 'Sundials at Greenwich'.
For more information about using images from our Collection, please contact RMG Images.
Object Details
| ID: | AST0373 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Crescent dial |
| Display location: | Not on display |
| Creator: | Masig; Martin, Johann Willebrand, Johann Matthias |
| Date made: | circa 1700 |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Overall: 61.5 x 60.5 x 14 mm |
| Parts: | Crescent dial |