English: Four prong standard Telephone plug as used in Bell System phones from mid 1960s to mid 1970s, on a line cord having a five pin flat plug at the phone end as used at that time on Trimline desk phones.
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2008-03-04 19:53 Jim.henderson 1052×1024× (167056 bytes) Four prong standard [[Telephone plug]] as used in [[Bell System]] phones from late 1960s to mid 1970s, on a line cord from the early 1970s having a five pin flat plug at the phone end as used at that time
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Canon PowerShot A570 IS
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24 February 2008
exposure time
0.004 second
f-number
4
focal length
5.8 millimetre
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80
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photograph
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b518c0cb8c131a7c70328d1774ca790f14a1260a
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167,056 byte
height
1,024 pixel
width
1,052 pixel
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{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Four prong standard en:Telephone plug as used in en:Bell System phones from mid 1960s to mi