Making a Core Box for a Machine Base. © 15May45; MP16026.

Redesigning a Pattern for Production Purposes. © 15May45; MP16027.

Making a Pattern using a Green and a Dry Sand Core. © 15May45; MP16029.

Making a Pattern Requiring Box Construction. © 15May45; MP16030.

PREFLIGHT AND DAILY INSPECTION P–63. Bell Aircraft Corp. Motion Picture Division. 22 min., sd., b&w, 16mm.

Credits: Directed and written by Harold Kopel; cameraman, Edward Bollinger.

© Bell Aircraft Corp.; title, descr. and 12 prints, 14Nov45; MU16502.

PREHISTORIC PORKY. The Vitaphone Corp., c1940. 1 reel, sd. (Looney Tunes)

Credits: Story, Melvin Millar; animation, John Carey.

© The Vitaphone Corp.; 12Oct40; MP10517.