MusEYEum Online Catalogue

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Conversion dial for measurement of contact lenses
ARCHIVAL ITEMS
selection chart
Bausch & Lomb
North America: USA
1960s
cardboard
dial: 145 mm

Revolving cardboard conversion chart, printed in black, green and white. Double sided (for power readings 36.00-43.87 or 44-52.00) within three-part folder including instructions for the Bausch & Lomb Keratometer. Contained within square white paper envelope.


2003.341

Gift of Dr J.M.L. Howat, 1999



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