Side-mounted flashlamps
Signal device having prolonged illumination means
Single lead electrically-activated flashlamp
Spark gap switch
Stabilized silver compound switch
Subminiature array circuitry
Subminiature array with normally closed and normally open switch
Subminiature array with retaining reflector
Subminiature flashlamp mount design
Subminiature photoflash lamp having light-emitting pyrotechnic c
Subminiature photoflash lamp with spaced-apart, light-emitting p
Switch paste with silver-coated metal beads
Switching device for photoflash unit
Switching device for photoflash unit
Switching devices for a flash lamp array and method
Switching devices for photoflash unit