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Crofton Focal Line Retinoscope
OPTOMETRIC INSTRUMENTS
retinoscope
C. R. Crofton (Caernarfon)
Europe: United Kingdom, Wales, Caernarfon
c.1932
metal; bakelite
overall: 155 mm x 48 mm

Non-luminous retinoscope. Plano concave mirror. Black metal head with rotating axis indicator (marked 0-180) and featuring on the other side a deeply-set round concave perforated mirror. Shiny white metal stem and thick dark brown bakelite (?) screw-handle.


1999.3555

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