Corporate 1 Inch Open Reel Helical Video Tape Format Transfer

Preservation Self-Assessment Program (PSAP)

Type C videotape - Wikipedia

1-inch Type-C video tape archive record play dub DVD file

U-matic - Wikipedia

Definition of helical scan

Video Tape Museum of Obsolete Media

1 inch type A, B, C format video tape digitised to FFV1 lossless.

LabGuy's World: One Inch Format VTR's

IVC videotape format - Wikipedia