N PICTURES 107

Duration: 18 min

Format: 16mm

Description: to lay out a bolt circle having eight reholes; use center punch marks as the jobs centers for drilling; and use a tapping (20 chuck in tapping two of the holes for set screws. 32, 41

Complete Record: Film number: OE 47 Type: Motion Picture

Metadata Source:3434 U.S. Government Films