Multiplying glass in turned pearwood case, 18th ce

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:
brass (copper, zinc alloy), glass, metal, pearwood and wood
credit:
National Maritime Museum

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