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Consider the McBee Key-Sort, which is used to organize filing cards. The edges of the cards have holes, some of which are notched. When a long needle is inserted through one of those holes and lifted up, only the non-notched cards rise, thus filtering out the irrelevant records. (via Reanimation Library - Word Processor - Shannon Mattern)
Date posted: 2013/10/29 05:10:57
Date liked: 2013/10/29 05:10:37
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Liked from: Tecznts
Originally posted from: reanimationlibrary.org
Original link: http://www.reanimationlibrary.org/pages/wpmattern
Tagged:
historical technology 8
information management 2
vintage office equipment 1
royal typewriter company 1
record keeping 1
office automation 1
document filing 1
data processing history 1
card sorting system 1
analog data processing 1
Date liked: 2013/10/29 05:10:37
1 Tumblr notes
Liked from: Tecznts
Originally posted from: reanimationlibrary.org
Original link: http://www.reanimationlibrary.org/pages/wpmattern
Tagged:
historical technology 8
information management 2
vintage office equipment 1
royal typewriter company 1
record keeping 1
office automation 1
document filing 1
data processing history 1
card sorting system 1
analog data processing 1
