Topographical drawing and sketching : including applications of photography (1888)
Reed, Henry A. (Henry Albert), 1844-1930 author · New York : John Wiley & Sons, 15 Astor Place · leaf 240
djust his camera so as to include all the features required, whether the station be elevated or depressed with reference to the surrounding features; but in moving the objective-slide from its normal position, HH' will no longer pass through the middle point of the view, and some means are… … Fig. 15. ground-glass, D the objective-slide; and K represents the plate-holder, or, in case of a small plate, the kit (a frame fitting within the plate-holder) used to hold it. (See also H, Fig. 9.) When D is in its normal position and an exposure made, H H' is imaged upon the negative, and…
Topographical drawing · Photographic surveying
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.