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The Wessely Keratometer
ARCHIVAL ITEMS
instructions
UK Optical Bausch & Lomb Ltd
Europe: United Kingdom, England, London NW7
c.1956
paper
overall: 279 mm x 215 mm
2011.908/2
ARCHIVAL ITEMS
instructions
UK Optical Bausch & Lomb Ltd
Europe: United Kingdom, England, London NW7
c.1956
paper
overall: 279 mm x 215 mm
Instruction sheet/promotional leaflet for a hand-held keratometer for measuring corneal diameter and apparent pupillary diameter as well as the vertex distance of a lens. Printed in black and white on both sides of a single sheet of paper. Includes three diagrams and a photograph of the instrument in use to measure the vertex distance of a lens.
2011.908/2
Gift of Mrs Jill Evershed Martin, 2011