30, mounted in gilt metal ring
30, mounted in gilt metal ring
- Measurements:
-
diameter 38 mm
length 52 mm
- Materials:
- glass and metal (gilt)
- Object Number:
- A606427 Pt1
- type:
- trial lenses
Trial case, wooden, containing 60 trial lenses, by Curry and Paxton, 195 Great Portland Street, London, England. Engraved label on the lid of the box describing it as the property of T. H. Bickerton.
30, mounted in gilt metal ring
30, mounted in nickel ring