STK-ID 58218

A Circuit Study of a Telephone Call, Part 2, 1920s: Short film comprised of diagrams of circuits with titles interspersed giving explanations.

DETAILS

Excerpt from
None
Year
1972
Collection
National Film Board
Available formats
Reel 16 mm, HDCAM SR, Digital Video Disk
Shooting format
16mm fine grain b&w, 16mm print b&w
Aspect ratio
4/3, PILLARBOX
Available resolutions
1920 x 1080