Mowat, Harold, 1883- · London : H. Frowde · leaf 104
o be able to tell which side ofa negative corresponds to the side of the partexamined. If a plate is held with the film sidetowards the eye, in a postero-anterior view the rightside of the plate corresponds to the right side ofthe part, but in an antero-posterior view to the left.If, therefore, it… … „-*^L..ci*4
X-rays
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