Hind, H. Lloyd (Herbert Lloyd), Randles, W. Brough (William Brough) · London : G. Routledge & sons, ltd · leaf 379
a high- power photomicrograph made by enlargement is given on Plate 43, where a portion of a photomicrograph of Aynphi pleura pellucida,A'^^ original magnification of which is X 1 250, has been further enlarged, giving a magnification of 3750 times. This should be compared with the photo-… … Beck’s large optical bench arranged for that purpose. The diagram of the light rays indicates that the nega- tive is placed close to a condenser whose diameter is sufficient to cover the whole of the part to be enlarged. 4:" or 44" condensers are usually large enough for quarter- plate negatives,…
Color photography · Photomicrography
Internet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.
