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The Ryland Schematic Eye & case
TEACHING AIDS
practice eye
Europe: United Kingdom
Early-mid 20th c.
metal; Morocco leather

Practice eye consisting of a black metal cylinder on a stand with round base. Iris diaphragm (handle missing). Double drop cell on projecting arm. Four glass model eye globes ground to the standard refractive conditions of Myopia, Hypermetropia, Emmetropia and Astigmatism. Contained in dark red Morocco leather case. Also an explanatory leaflet printed in black and blue.


1999.3424

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thumbnail practice eye / 'Hu-Model' Schematic Eye & case
Ryland, H.S.
Mid 20th c.
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