File:Blythe House Envelope-making machines 1930s.JPG

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:38, 9 October 2011		2,816 × 2,112 (1.69 MB)	commons>Docben	{{Information \|Description ={{en\|1=A woman and a man operate envelope-making machines at the Post Office Savings Bank, Blythe House, West Kensington, UK.}} \|Source =The National Archives: Public Record Office [http://www.nationalarchives.gov.uk

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Camera manufacturer	Canon
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Exposure time	1/15 sec (0.066666666666667)
F Number	f/2.8
ISO speed rating	233
Date and time of data generation	15:28, 7 October 2011
Lens focal length	5.8 mm
Orientation	Normal
Horizontal resolution	180 dpi
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File change date and time	15:28, 7 October 2011
Exif version	2.2
Date and time of digitizing	15:28, 7 October 2011
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Focal plane X resolution	12,515.555555556
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Focal plane resolution unit	inches
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Digital zoom ratio	1
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