Convex spherical lens
Convex spherical lens, 31 pairs, one of which is incomplete, forming a series, numbered +0. 12, 0.25(0.25)3.50(0.50)7(1)12(2)20
Trial case
- Made:
- 1850-1930
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Science Museum Group
© The Board of Trustees of the Science Museum
Trial case, wooden, containing 235 trial lenses, in removable tray, English, 1850-1930
Details
- Category:
- Ophthalmology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A626777
- Materials:
- case, wood, case, brass, case, felt, base, case, silk, lined and case, plastic
- type:
- trial lenses
Parts
Concave spherical lens
Concave spherical lens, 31 pairs, 1 of which is incomplete, forming a series, numbered -0. 12,0.25(0.25)3.50(0.50)7(1)12(2)20
Convex cylindrical lens
Convex cylindrical lens, 18 pairs, forming a series, numbered +0.25 (0.25)3(0.5)6
Concave cylindrical lens
Concave cylindrical lens, 18 pairs, forming a series, numbered -0.25(0.25)3(0.5)6
Concave spherical lens
Concave spherical lens, a duplicate of part of part 1
Prism, 12
Prism, 12, forming a series, numbered .50(.50)2(1)10
Coloured lens
Coloured lens, 7, 3 blue, 2 red, 2 green
Tinted lens
Tinted lens, 4
Ground glass plate
Ground glass plate
Plane glass plate
Plane glass plate, 2
Blank disc
Blank disc, 2
Stenopaic slit
Stenopaic slit
Pinhole lens
Pinhole lens
Pinhole, double
Pinhole, double
Aperture with 2 pointers on perimeter
Aperture with 2 pointers on perimeter
Maddox multiple rods
Maddox multiple rods, clear glass
Maddox multiple grooves
Maddox multiple grooves, clear glass
Maddox single rod
Maddox single rod, clear glass
Maddox single groove
Maddox single groove, clear glass
Maddox multiple grooves
Maddox multiple grooves, red glass
Maddox multiple rods
Maddox multiple rods, red glass
Maddox single rod
Maddox single rod, red glass
Maddox single groove
Maddox single groove, red glass
