1. Using a Shell End Mill. © 20Dec43; MP14489.

2. Cutting a Dovetail Taper Slide. © 9Feb44; MP14490.

3. Cutting a Round End Keyway. © 9Feb44; MP14491.

4. Milling a Helical Groove. © 20Dec43; MP14492.

5. Milling a Circular T-Slot. © 20Dec43; MP14493.

MACHINE SHOP WORK; precision measurement. Ray-Bell Films, Inc., c1945. 1 reel. © Ray-Bell Films, Inc.

Appl. author: Reid H. Ray.

8. Gage Blocks and Accessories. © 1Mar45; MP15813.

MACHINE TRANSCRIPTION. United States Navy. sd., 16mm. © De Frenes & Co.

Appl. authors: George W. Chapman, H. Bauernschmidt.