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 #:
000249
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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ART IN PHOTOGRAPHY j* Pictures to illustrate Solids. — In considering briefly this important section of our work, let us first of all examine a few of the details which govern the general appearance of a picture. Let the simplest case be taken ; for example, a cube or a cylinder. Let representations of these be drawn, and figures will be obtained nearly identical with those marked X and S in the diagram. Now, these figures are flat like the paper, while the originals are solids. It may be said that picture and solid agree ; but it is not so. Let a blind man be questioned, who knows the bodies by touch only, and the difference will be apparent. Now, the cube can be moulded in marble or plaster, and then the deception — for such it is — can be carried to greater lengths. The wood of the cube or of the cylinder can be imitated by painting. The eye will readily pronounce such imitation to be wood. The blind man, who feels both, will say : The form agrees, but not the mass — one cube, that of wood, feels warm ; the other, that of stone, cold. The principles that apply to these two objects apply to all objects and their representations. No one of them is a perfectly true copy of the object. When the surface representation makes on our eye the impression of a solid object, this is an illusion by which our eye suffers itself to be deceived. Fig. 84. 199