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

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 #:
00026
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
Something wrong or inaccurate about this page? Let us Know!

Thanks for helping us continually improve the quality of the Lantern search engine for all of our users! We have millions of scanned pages, so user reports are incredibly helpful for us to identify places where we can improve and update the metadata.

Please describe the issue below, and click "Submit" to send your comments to our team! If you'd prefer, you can also send us an email to mhdl@commarts.wisc.edu with your comments.




We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.

Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.

MANAGERS AND PROJECTIONISTS Projection Room — Wiring Same Size of Wires Necessary 338 Should Figure Voltage Drop ? 339 General Lay-out of Projection Room Switchboard 340 Balancing the Load 341 Connecting Motor Generators, Economizers, etc 341 Incandescent Circuits 344 Ground Wire 346 Projector Circuits 348 Double Throw Connection for Projector Circuits.. 348 Trouble Lamp 348 Projector Circuits — How They May Be Run 348 Inclosure of Switches 348 Double Throw Connection of Projector Circuits 348 Transformer — Rheostat Connection, When Used... 349 Connecting to Two Sources of Supply 350 Rectifiers, Mercury Arc See Mercury Arc Rectifiers Reels Construction) of Reels . . : , 281 Size of Reels 282 How to Calculate Footage a Reel Will Hold 283 Filmfast Reel 323 Simplex Automatic Signal Reel 324 Projection Room Reels 281, 282 and 322 Resistance Figuring Resistance of Arc 57 General Discussion Thereof 60 Resistance of Metals 65 Resistance and Temperatures 65 Temperature Co-efficient 66 Normal Temperature 66 Properties of Metals 67 Loss Through Resistance 68 Amount of Resistance Permissible in Circuit 69 Mil Foot Standard of Resistance 73 To Calculate Resistance When Size and Length of Wire is Known 73 Calculating Resistance of Copper Circuit 73 Figuring Voltage Drop of Circuit 74