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The Datum Line System
ARCHIVAL ITEMS
letter
Raphael's Ltd
Europe: United Kingdom, England, London EC1
1935-07-16
paper
overall: 254 x 203 mm

Circular letter addressed to the Northampton Polytechnic Applied Optics Department announcing the introduction of the Datum Line System of spectacle frame measurement and presenting a Datum Frame Rule to the Department. Typewritten on a single sheet of corporate paper including, in the bottom left corner, an illustration printed in green promoting the 'Rigiflex' semi-rigid rimless spectacle frame, on the right hand side some pencil notes of references to the Datum Line System in the 'Optician' and, on the reverse, a draft letter of thanks.


2002.722

Paul Fairbanks Archive



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