Color VTRs and color upgrades
Self-threading machines
Timelapse VTRs
Long before VHS timelapse recorders, a few
companies offered timelapse open reel video recorders.
These worked by
Sanyo VTR-1350 could record 48 hours of timelapse
footage to a one hour tape and cost $2350 in 1975.
Popular
Science, March 1975