Richardson's handbook of projection (1930)

Record Details:

Title:
Richardson's handbook of projection
Date:
1930
Publisher:
New York : Chalmers Publishing Company
Volume:
Richardson's handbook of projection
Leaf #:
000164
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
March 28, 2024
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1088 HANDBOOK OF PROJECTION FOR Now as to the actual construction of a commercial battery, such as is supplied to theatres for use with sound equipment. Inasmuch as the amount of current which is obtained depends upon the amount of chemical action between the positive and negative plates immersed in the mixture of Cell Connector SealNut Cover Positive. I Stvap\ Jar Veni Plug /Filling Tube Post Gasket Level of Electrolyte Negative * Strap Separator Positive Plate Negative Case Figure 404. Cut-away view of battery showing arrangement of plates and separators. sulphuric acid and water, called the electrolyte, you will see that the more plates and the more electrolyte we have the greater will be the chemical action, and of course the more current we will be able to obtain. So we join together a number of positive plates and call it a positive group. We do the same for the negative plates. We