"Slot machine makes perfect portraits"
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"Five-a-Minute and a Million!"
Photographing Machine, Patent #289763: Drawings
Photographing Machine, Patent #289763: Claims
Photographing Machine, Patent #289763: Description
Contaflex II
Leica iif
Leica R4
Mamiya c330
Yashica LM
Ikoflex III camera
Foth-Flex II
Rolleicord Model 1
Argoflex EF
Rolleiflex Grey Baby
Kalimar Reflex
Salyut Kiev 88C