Handbook of projection for theatre managers and motion picture projectionists ([1922])

Page scan 000929 from Handbook of projection for theatre managers and motion picture projectionists

Record Details:

Title:
Handbook of projection for theatre managers and motion picture projectionists
Date:
[1922]
Publisher:
New York, Chalmers
Volume:
Handbook of projection for theatre managers and motion picture projectionists
Leaf #:
000929
Language:
English
Collection:
Books
Format:
Books
Contributor:
Gerstein - University of Toronto
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
14
Date Added:
July 19, 2022
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894 HANDBOOK OF PROJECTION FOR record of the reading in a book kept for that purpose. This is not only a goodly precaution, but it enables the computation of the current consumption at any time it may be desired. For instance, when the man reads the meter, it registers 1,000 kilowatt hours, that being on the first of the month. On the 10th of the month you take another reading, and the difference between the two will indicate the energy consumed during that period. KNOW LEDGE IS POWER.