English Mechanic and World of Science
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Hints to searching the DVDs Copying photographs or illustrations
There are several ways to copy a photograph or illustration into another program or document. However the first thing you need to know is the PDF's are 200 dpi (dots per inch), and most computer screens are about 100dpi, so you will need to magnify the PDF's 200% to see the full detail. Each new version of Acrobat Reader seems to work differently! So I have notes on each version: