Tailstock for Haptic Lens Lathe Prototype

Hirst Contact Lens Limited, Manufacturer

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Maker and Role
Hirst Contact Lens Limited, Manufacturer
Production Date
Part of a prototype lathe made by Hirstlens engineers specifically used to cut the anterior surface of a Haptic lens. The object is a radius slide which makes up part of the tail stock of the lathe. Circa 1947.
The item is mounted on a circular metal base with two notches – presumably to attach the object to the rest of the lathe. There is a short cylinder on top of this with an oblong piece of flat metal with rounded edges which crosses the diameter of the cylinder. There is a screw in the centre which allows the item to rotate. There is an arch-shaped piece of metal which is affixed to the rectangular piece with two screws. It holds a horizontal steel cylinder inside with a screw. This cylinder has a sharp attachment, used to shape the anterior surface of the haptic contact lens. There is a rod to one side which presumably is a handle to turn the mechanism.
Processed Material/Metal
Signature/Marks and Type
THRUST Engraved
Accession No
Credit Line
Hirst Contact Lens Limited. 1947. Tailstock for Haptic Lens Lathe Prototype, 2018.1.11. The Museum of Transport and Technology (MOTAT).

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