FINE GRINDING
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Produced by US Office of education. Large blocked concave lenses subjected to a No. 1500 and 1600 abrasive on grinding machine, to accuracy beyond mechanical measurement. Adjustment of grinding machine, inspection for defects. Prime need for cleanliness.
Complete catalog record
Series: Optical craftsmanship series
Dewey number: 681.4
Audience level: sh-c-trade-adult Guide
Format/cost: 16-sd-$22.58
Distributors / rental: Bell & Howell Company $1.50; Calhoun Company; Dav; Films, Inc; Wilfred Naylor; A. H. Rice and Company; Sunray Films Company; Visual Education, Inc (Texas); Visual Art Films $22.58; Visual Education Service, Inc
Dewey number: 681.4
Audience level: sh-c-trade-adult Guide
Format/cost: 16-sd-$22.58
Distributors / rental: Bell & Howell Company $1.50; Calhoun Company; Dav; Films, Inc; Wilfred Naylor; A. H. Rice and Company; Sunray Films Company; Visual Education, Inc (Texas); Visual Art Films $22.58; Visual Education Service, Inc
More in Optical craftsmanship series
- ROUGH GRINDING WITH PIN BAR
- FINE GRINDING 1943
- CENTERING, EDGE GRINDING AND BEVELING 1944
- Rough Grinding 1944
- POLISHING—SPHERICAL SURFACES 1945
Sources
- Educational Film Guide 1946 — title, year, creator, length, format, sound, description, catalog record
Record added 2026-07-02 14:42:47