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Title: Opticians keratometer
Item Name: Health and Medicine


Opticians Keratometer (Placidos Disc). Black metal disc with raised concentric rings and a wooden handle. Used to measure coreal curvature. From Mr Keay's opticians shop, 16 Carlisle Street, Goole.

Materials: metal; wood
Measurements: Disc diam:20.3cm, T:0.3cm, Handle l:13cm, W:2.2cm
ID_Number: ERYMS (Goole) : M1048