Vertical drill series

2 films in this series.

Title ▼	Year	Creator	Length	Format	Color	Sound
LOCATING HOLES, DRILLING AND TAPPING IN CAST IRON	1942	Castle Films	19 min	16mm		Sound
Countersinking, Counterboring And Spot Facing	1942	West Coast Sound Studios; U.S. Office of Education	20 min	16mm	B&W	sound