File:5th revision code - later.JPG
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5th_revision_code_-_later.JPG (544 × 528 pixels, file size: 52 KB, MIME type: image/jpeg)
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|current||18:23, 6 August 2020||544 × 528 (52 KB)||Steven||Guide to the location and style of the revision codes of the usual OS One Inch Fifth mapping. In this example, the revision code is '3035', which indicates that there were 3000 copies of this map, and it was published in 1935.|