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Viewing Record 736 of 1905
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Illustrated List of Parts for AO Automatic Polishing Machine M422
ARCHIVAL ITEMS
leaflet
American Optical Company
North America: USA, Massachusetts, Southbridge
1920s
paper
overall: 268 mm x 199 mm

Leaflet for the 'Wellsworth'-branded M422 lens polishing machine including specifications and a descriptive list of repair parts with each component individually numbered and illustrated. Reverse features promotion for the M427 Automatic Cylinder Surfacing Machine.


2023.216

Gift of David G. Williamson Optics, 2000



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