An Improved Camera for One-Dimensional Reduction of Fathograms
A camera is described which photographs elongate traces, such as fathograms, producing in one dimension a reduction which is four times that in the other dimension. This ratio is variable. This is an improvement on an earlier model in that it allows longer records to be photographed without reloading the camera and also in being adaptable to varying widths of records.
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Document Type: Research Article
Publication date: 1953-01-01
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