- Item type
- Object
- Primary inscriptions
- Unsigned
- Object type
- Cannon dial
- Dimensions
- Diameter: 54mm Height: 45mm Depth: 73mm Weight: 0.062kg
- Inventory No
- 37626
- Accession Number
- 1924-0/part
Description
Circular plate with miniature cannon and adjustable burning glass. Adjustable gnomon with latitude scale 30-60°, and hour scales for 45 and 52°. Two spirit levels and compass with printed English card.



