Large cracked achromatic lens in brass frame, in wooden box, unsigned, English, c.1800.
Details
- Category:
- King George III
- Object Number:
- 1927-1499
- Materials:
- glass, wood, cotton (fibre) and straw
- Measurements:
-
objective lens: x x 30 mm, 195 mm,
overall (box): 45 mm x 247 mm x 214 mm, , 1.625kg
- type:
- lens
- credit:
- King's College, London