2. Scraping Flat Surfaces. © 25Aug42; MP12970.
3. Fitting and Scraping Small Bearings. © 25Aug42; MP12971.
4. Reaming with Straight Hand Reamers. © 25Aug42; MP12972.
5. Reaming with Taper Hand Reamers. © 25Aug42; MP12973.
MACHINE SHOP WORK; bench work. Distributed by The Federal Security Agency, U. S. Office of Education, c1942–44. 1 reel each, sd. © The Calvin Co.
Appl. author: The Calvin Co. employer for hire of Chester Lawrence Sherwood.
1. Laying Out Small Castings. © 25Sep42; MP13071.
2. Centering Small Stock. © 25Sep42; MP13072.
3. Fundamentals of Filing. © 25Sep42; MP13073.
6. Laying Out Small Castings. © 1Jun44; MP989.