Brauswetter Patent
Brauswetter Patent Drawing. This drawing, from Swiss patent 5030, dated 20 April 1892, shows the locking mechanism.
Copyright 2010
by Ed Buffaloe.
Traditional darkroom photography and historical photographic processes
Brauswetter Patent Drawing. This drawing, from Swiss patent 5030, dated 20 April 1892, shows the locking mechanism.
Copyright 2010
by Ed Buffaloe.