Engraver, Contact Lens
G. Nissel & Company Limited, Manufacturer
At the back is a cylindrical upright with two horizontal arms. These are attached with knobs at the back. On the lower arm is an angled metal disc platform with a clear plastic chuck in the centre to hold a contact lens. There is a rod above the chuck which is held by the upper arm which reads “UP”. There is a metal attachment below the disc which attaches to a plastic pipe. The lower metal rod is in line with the upper one. It acts as a guide to engrave the chosen letter above. This engraver was used to engrave an R or an L on the surface of the contact lens so the patient could identify which lens was for which eye. Prior to this the contact lens would have been engraved by hand with a ceramic tipped tool.
G. NISSEL & CO LTD / HEMEL HEMPSTEAD / HERTS Engraved
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