The advance of photography : its history and modern applications (1911)

Record Details:

Title:
The advance of photography : its history and modern applications
Date:
1911
Publisher:
London : K. Paul, Trench, Trübner & Co., Ltd.
Volume:
The advance of photography : its history and modern applications
Leaf #:
000401
Language:
English
Subjects:
Motion Pictures, Motion pictures--Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
November 02, 2023
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MICRO-PHOTOGRAPHY AND PROJECTION APPARATUS The Solar Microscope. — Photography as an auxiliary to, or substitute for the art of drawing, appears nowhere to greater advantage than in the representation of microscopic objects. This was investigated in the very earliest days of photography, for Wedgwood and Davy attempted to fix on sensitive silver paper the images which they produced by means of the so-called solar microscope. The construction of this instrument is shown in the accompanying figure. Fig. 133. The microscopic preparation is inserted at m. The small lens L projects an enlarged image of this minute object on a suitably placed screen. The rackwork at D serves to regulate the distance of the lens from the object m, and thereby to focus the object sharply upon the screen. E is a diaphragm by which the edges of the image are cut off, so that a clearly X 321