Grinding by Pin-Bar faces
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—Spherical Sur- 16sd-$26.47. USOE-Castle. 0E181. Shows how to use the job card; how to select and adjust the grinding tool; how to use abra- sives; how to grind by pin-bar; how to clean the grinding tool; how to correct worn grinding tools. Rough Grinding Castle. — Flat Surfaces. 16sd.
Complete catalog record
Category: Optics-Photography
Subcategory: Miscellaneous
Type: Motion Picture
Subcategory: Miscellaneous
Type: Motion Picture
Sources
- Index of Training Films 1946 — title, length, format, description, catalog record
Record added 2026-07-09 22:50:42