Tide Calculator
Circular brass tidal calculator.
The outer circle is divided into 2 x 12 hours and compass directions.
The middle circle has a pointer for the Sun and is marked for the age of the Moon and compass points.
The inner circle has a pointer for the Moon and is marked with compass points.
The outer circle is divided into 2 x 12 hours and compass directions.
The middle circle has a pointer for the Sun and is marked for the age of the Moon and compass points.
The inner circle has a pointer for the Moon and is marked with compass points.
Object Details
| ID: | AST0394 |
|---|---|
| Type: | Tide Calculator |
| Display location: | Display - ROG |
| Creator: | Unknown |
| Date made: | 1530-80; 17th century |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Overall: 3 x 135 x 124 x 124 mm |
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