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File:Selectric.ogv

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Original file(Ogg multiplexed audio/video file, Theora/Vorbis, length 3 min 5 s, 1,280 × 720 pixels, 1.38 Mbps overall)

Summary

Description
English: Bill Hammack uses slow motion video (high-speed camera) to show the motion of the type element of an IBM Selectric II typewriter. He described the mechanical "whiffletree" mechanism that does digital to analog conversion.
Date
Source Own work
Author Hammack
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Date/TimeThumbnailDimensionsUserComment
current21:59, 16 November 20103 min 5 s, 1,280 × 720 (30.41 MB)Hammack== {{int:filedesc}} == {{Information |Description={{en|1=Bill Hammack uses slow motion video (high-speed camera) to show the motion of the type element of an IBM Selectric II typewriter. He described the mechanical "whiffletree" mechanism that does digi
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