ON TOP OF THE PROS.

Year Published: 1969

Creator: Mine Safety Appliances Co

Format: 16mm

Sound: sound

Copyright: Registered 1Sep69 · MP20053 (Jan-Jun 1970) Copyright holder: Mine Safety Appliances Co Production company: Wilding, Inc

Complete Record: ON TOP OF THE PROS. Mine Safety Appliances Co. Made by Wilding, Inc. 11 min., sd., color, 16 mm. © Mine Safety Appliances Co.; 1Sep69 (in notice: 1968); MP20053.