On the use of the automatic photometer in photographic photomotry
The displacement of the eye of the astronomer by the photographic plate from the telescope and spectro-meter and its transfer to the measuring machine was so rapid that, about twenty years ago practical astronomy seemed likely to become a branch of applied photography. More recently the introduction...
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University of Edinburgh
1927
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| Online Access: | https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.735207 |