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RAF Near Point Rule
OPTOMETRIC INSTRUMENTS
accommodation test; convergence test; near point rule
Clement Clarke Ltd
Europe: United Kingdom, England
1970s
metal; plastic
overall: 167 mm x 590 mm x 110 mm
2020.225
OPTOMETRIC INSTRUMENTS
accommodation test; convergence test; near point rule
Clement Clarke Ltd
Europe: United Kingdom, England
1970s
metal; plastic
overall: 167 mm x 590 mm x 110 mm
Binocular gauge to measure objective and subjective convergence as well as accommodation. Black metal 50cm rule with black metal sliding carrier and black and white plastic revolving target. Black metal swivelling hand-piece designed for holding with the arm extended.
2020.225
Gift of Mr John Dixon Salt FCOptom, 2020