This thing is really cool! Why didn’t it ever catch on? Maybe because it could only be used if you had the hand of a tyrannosaurus?
Retro Selectro: Card Callmaker Ad (1973) 
(via BoingBoing)

This thing is really cool! Why didn’t it ever catch on? Maybe because it could only be used if you had the hand of a tyrannosaurus?

Retro Selectro: Card Callmaker Ad (1973)

(via BoingBoing)

Notes