A SIMPLE COMPARATOR FOR MEASURING FROM PHOTOGRAPHS |
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| Authors: | R Farrand |
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| Institution: | Imperial Chemical Industries Ltd., Plastics Division |
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| Abstract: | Some applications of photogrammetric techniques do not require the high standard of accuracy in instrumentation which we have come to associate with air survey. The comparator now described provides a simple solution to a particular problem. It requires neither a skilled operator nor stereoscopic vision, and could be used by the average office draughtsman. |
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