MusEYEum Online Catalogue

Welcome to the online catalogue of the British Optical Association Museum. Here you can search for both museum artifacts and archives. Data is transferred from our Collections Management System to this website on a regular basis.

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Gradal HS / Gradal 3 / Gradal RD / Clarlet Gradal RD centration chart / lens calculator
MANUFACTURING AND DISPENSING EQUIPMENT
centration chart
Zeiss
Europe: Germany
April 1994
card; plastic
overall: 98 mm x 205 mm

Multifocal lens rule and sliding calculator comprising four cards printed in black and orange on white card within clear plastic sleeve.


2014.801

Gift of Mrs Margeurite Knight via Mr and Mrs Thompson, 2014



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