Microfiche deleter apparatus

A microfiche having one or more frames to be deleted is mounted in accurate registration and alignment on a microfiche deck, and a light is energized in the deck underneath each frame of the microfiche to be deleted. The operator then moves a knife carriage mounted on an "X-Y" detented sli...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GRISWOLD, AUGUSTUS W, HARITONOFF, BORIS W
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS CALCULATING CINEMATOGRAPHY COMPUTING COUNTING CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING ELECTROGRAPHY HAND CUTTING TOOLS HANDLING RECORD CARRIERS HOLOGRAPHY PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SEVERING TRANSPORTING
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