Convex spherical lens
Convex spherical lens, 30 pairs, 2 of which are missing
Trial case, wooden, containing 192 lenses and accessories
Convex spherical lens, 30 pairs, 2 of which are missing
Concave spherical lens, 30 pairs
Convex cylinder lens, 18 pairs
Concave cylinder lens, 18 pairs
1 stenopaic slit
Pince-nez, 2 pairs, 1 horn with lens missing, 1 with bridge broken, and cuckoo
Convex spherical lens and cuckoo
Convex spherical lens and cuckoo
Trial frames with adjustable bridge and nose piece
Razor blade and cuckoo
2 pages printed ephemera, test types and cuckoo
Trial case, wooden, for 192 lenses and accessories