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Technical Bulletin No 7 - The Transan Lens
ARCHIVAL ITEMS
newsletter
Shiels Limited
Europe: United Kingdom, England, Lancashire, Salford
c.1950
paper
overall: 240 mm x 177 mm

Technical Bulletin from a contact lens manufacturer. Portrait format, printed in blue on one side only of a single sheet of white paper. Describes a wide angle haptic lens, but with a transitional curve between the back central optic radius and the angle portion of the lens. The bulletin ends by suggesting that a basic trial set of twelve lenses is sufficient.


2022.31

Gift



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