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Certificate of Accuracy: Perkins Hand Held Applanation Tonometer
ARCHIVAL ITEMS
certificate
Clement Clarke International
Europe: United Kingdom, England, London W1
1982
paper
overall: 243 mm x 205 mm

Manuacturer's testing certificate for a hand-held applanation tonometer. Portrait format printed in black on both sides of a single sheet of yellow paper. Signed and dated (October 1982) on behalf of the manufacturer and endorsed by the Institute of Ophthalmology. Reverse bears two diagrams showing how the instrument is positioned for calibration.


2020.220

Gift of Mr John Dixon Salt FCOptom, 2020



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thumbnail Perkins Hand Held Applanation Tonometer / 'The Original Perkins Tonometer'
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