Objects
Viewing Record 75 of 245Previous Record Next Record
Switch Views: Lightbox | Image List | List
Chart No 8 - for a Turville Infinity Balance
TEST CHARTS
illuminated test chart
Raphael's Ltd
Europe: United Kingdom, England, London
1950s?
metal; plastic
overall: 333 mm x 305 mm
2017.213
TEST CHARTS
illuminated test chart
Raphael's Ltd
Europe: United Kingdom, England, London
1950s?
metal; plastic
overall: 333 mm x 305 mm
Accessory panel for a Turville Infinity Balance, comprising cream-painted metal panel on which are positioned two black dots and two black triangles. The left dot and triangle are adjustable laterally by a manual control. The right dot is adjustable laterally by means of manually-operated pneumatic trigger.
2017.213
Gift of Mr John Dixon Salt FCOptom, 2016