The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 142
nd easilyfound again during the operation,as the squares remain in their places, when the AND STEREOSCOPIC PHOTOGRAPHY. I35 camera is removed. By this method the separationof the cameras can only be fixed at a length a littleless than that of the table itself. If the separation of the two positions… … Fig. 82. Fig. 83. It is better still, if possible, to suspend the linefrom the lens. The cord should be tied in a slip-knot, which rapidly adapts the length to theheight chosen (fig. 83). In default of a plumb-line, any object (asmall stone, for instance) previously placed on the 136 THE…
Stereoscope · Photography, Stereoscopic
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