BEYOND THE SHADOW OF A DOUBT

Duration: 31 min

Year Published: 1957

Creator: Produced by Worcester Film Corp.

Format: 16mm

Color: Color

Sound: Sound

Description: Tells what an optical comparator is and does. Shows the complete line of standard machines; applications in the fields of electronics, machinery, appliances, foods, drugs, and others.

Complete Record: Source: Jones&Lam Interest level: ad Price: free-loan Format: sd color

Metadata Source:Educational film guide. Supplements (1959-62)