File:IBM Selectric II typewriter.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)

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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.
Polski: The IBM Selectric & its mechanical digital to analog converter – krótki film, w którym Bill Hammack, znany też pod pseudonimem Engineer Guy, wyjaśnia zasadę działania maszyny do pisania IBM Selectric oraz jej mechanicznego przetwornika cyfrowo-analogowego.
Čeština: Mechanický digital analog (D/A) převodník ve spojení s psacím strojem typu IBM Selectric na videu z roku 2010 s komentářem Billa Hammacka.
Date
Source Own work
Author Hammack
Permission
(Reusing this file)
w:en:Creative Commons
attribution share alike
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Assessment

Media of the day This file was selected as the media of the day for 26 April 2019. It was captioned as follows:
English: The IBM Selectric & its mechanical digital to analog converter is a 2010 video by Bill Hammack.
Other languages
Čeština: Mechanický digital analog (D/A) převodník ve spojení s psacím strojem typu IBM Selectric na videu z roku 2010 s komentářem Billa Hammacka.
English: The IBM Selectric & its mechanical digital to analog converter is a 2010 video by Bill Hammack.
Polski: The IBM Selectric & its mechanical digital to analog converter – krótki film, w którym Bill Hammack, znany też pod pseudonimem Engineer Guy, wyjaśnia zasadę działania maszyny do pisania IBM Selectric oraz jej mechanicznego przetwornika cyfrowo-analogowego.

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inception

9 November 2010

data size

31,886,533 byte

duration

184.851333333333 second

height

720 pixel

width

1,280 pixel

media type

application/ogg

checksum

d78bcd61ebfa8e123a5760df57f670c9b6b1059b

determination method: SHA-1

File history

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Date/TimeThumbnailDimensionsUserComment
current03:29, 17 November 20103 min 5 s, 1,280 × 720 (30.41 MB)wikimediacommons>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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