VALUABLE RECORDS
DUPLICATION BY PHOTOGRAPHY
Destruction of valuable records by fire, normally a negligible business risk, became a serious menace in Britain during the ordeal by fire from the air. The result has been the stimulation of new methods of the duplication of records,- drawings, accounts and all manner of business data liable to destruction by enemy action. Three photographic processes are employed, in all of ' which British photographic technique has taken the lead. By the first of these methods a document or drawing is photographed direct on to a sensitised paper; the second is a new application of the reflex method, the copies being the same size as the originals; while the third, and most important, utilises the cine size film on which the documents are micro-copied. The first two methods are rapid and simple, so simple, in fact, that any junior staff member can do the work after a couple of hours instruction on apparatus which can be installed in any office. The micro-copying method requires special apparatu sand is usually undertaken by specialist firms. Apart from the enormous advantage of speed and accuracy, these systems are also economical. The wage bill for a typist copying a 1,500 page document would run to about £2O, whereas two juniors recently did the same work by the reflex method in 14 days. A 72 page foolscap report can be copied in 2J hours, a 200 page ledger double foolscap in four days.
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https://paperspast.natlib.govt.nz/newspapers/WAITA19420130.2.59
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Wairarapa Times-Age, 30 January 1942, Page 6
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242VALUABLE RECORDS Wairarapa Times-Age, 30 January 1942, Page 6
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