One step film perforator
One step perforator with adjustment for varying the pitch of the perforations, 1902
One step film perforator with adjustment for varying the pitch of the perforations, 1902
One step perforator with adjustment for varying the pitch of the perforations, 1902
Spool for one step perforator with adjustment for varying the pitch of the perforations, 1902
Perforator stamp with gears for one step film perforator with adjustment for varying the pitch of the perforations, 1902.
Wood and metal support one step film perforator with adjustment for varying the pitch of the perforations, 1902.