PS 235

Reiews material presented in motion picure, same title. utting and Threading Pipe by Hand.S. Office of Education, 1944. (Shipuilding Skills Series. Pipefitting No. 2) eviews material presented in motion icture, same title. (OE 106; 47 frames) utting and Threading Pipe on a ower Machine.S. Office of Education, 1944. (Shipuilding Skills Series. Pipefitting No. 3) eviews material presented in motion icture, same title. (OE 107; 48 frames) utting Cove Molding and a Corebox.S. Office of Education, 1945. (Precision ood Machining Series. Operations on he Variety Saw No. 4) Reviews material resented in motion picture, same title