ROUGH GRINDING WITH PIN BAR
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Rough grinding large bi-convex lens using lever/pin/lens holder; demonstrates correction of tools and extended-hand technique.
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
- 16mm Filmography (legacy record) — title, description, catalog record
- Educational Film Guide 1946 — title, creator, length, catalog record
Original permalink · Record added 2026-02-16 20:07:51