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Perrin's Artificial Eye & case
TEACHING AIDS
practice eye
c.1880
brass
case: 40 x 205 x 95 mm
1999.3197
TEACHING AIDS
practice eye
c.1880
brass
case: 40 x 205 x 95 mm
Brass instrument with round screw-on base, long thin stem and fully adjustable eyepiece head with emmetropic lens and fundus back. Black metal upper stem and side arm for an occluder screen (screen missing). Two spare head lenses (A- astigmatic sphero cylindrical; H- hypermetropic). Two diaphragm discs (3mm and 7mm). Set of 13 fundus pictures on round metal concave discs. Also an illustrated instruction leaflet. Contained in compartmentalised wooden case with black skin covering (very worn), brass clasp and red felt lining.
1999.3197