Multiplying glass in turned pearwood case
- Made:
- 1701-1800
Multiplying glass in turned pearwood case, 18th century. Object glass (3 1/2inches diameter) with 40 small concave lens facets on inside, eye-lens bi-convex (2 3/8 inches diameter).
Details
- Category:
- Optics
- Object Number:
- 1954-275
- Materials:
- wood, pearwood, glass, metal and brass (copper, zinc alloy)
- Measurements:
-
overall: x x 155 mm, 110 mm, .335kg
- type:
- multiplying glass
- credit:
- National Maritime Museum
