Grinding by Pin-Bar faces

Duration: 19 min

Format: 16mm

Description: —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 Record: Category: Optics-Photography Subcategory: Miscellaneous Type: Motion Picture

Metadata Source:Index of Training Films 1946