Detail

aperture card
English
 
Published

Properties

preferred label Mikrofilmlochkarte German New-Proposed
preferred label aperture card English Published
definition A card with one or more rectangular openings or apertures holding frames of microfilm. English Published
definition Eine Karte mit einer oder mehreren rechteckigen Öffnungen oder Blenden, die Einzelbilder hält. German New-Proposed
has broader Microform carriers   New-Proposed