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The Boxing System of Lens and Frame Measurements
ARCHIVAL ITEMS
instructions
American Optical Company
North America: USA
1961-12-01
paper; card
overall (closed): 280 x 220 mm
2002.717
ARCHIVAL ITEMS
instructions
American Optical Company
North America: USA
1961-12-01
paper; card
overall (closed): 280 x 220 mm
Pamphlet outlining the US Industry Standard for the boxing method of frame and lens measurement. A4 format, typewritten on 30 pages plus two appendices, with red soft cover. Includes historical notes on measurement of 'on-line' saddle bridge frames (rimless pince-nez) keyhole zyl frames and the Datum Line system.
2002.717
Paul Fairbanks Archive