Filmstrip cartridge with film lock
Fishing line loader apparatus
Fishing line retrieval and dispensing device
Fishing line transfer apparatus
Fishing reel
Flexible magnetic recording tape having low-friction backside co
Flexible tape control apparatus
Flexible tape receiving and storage container
Floating roller magnetic tape cartridge
Floating roller tape cartridge
Floating roller tape cartridge
Flow camera film transport
Flywheel and clutch mechanism for safety belt retractor
Foil wrapped flexible web guide
Folded vacuum tanks for high speed magnetic tape recorders
Free pull web sensitive retractor
Friction clutch operated reduced tension safety retraction means
Friction dampened pendulum sensor
Front loading cassette tape machine
Front-loading mechanism of a videocassette recorder utilizing a