F. H. Richardson's bluebook of projection (1935)

Record Details:

Title:
F. H. Richardson's bluebook of projection
Date:
1935
Publisher:
New York : Quigley Publishing Company, Inc.
Volume:
F. H. Richardson's bluebook of projection
Leaf #:
000290
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
{"Media History Digital Library","Jeff Joseph"}
Coordinator:
Media History Digital Library
Description:
Date Added:
August 01, 2024
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272 RICHARDSON'S BLUEBOOK OF PROJECTION 103. What is the effect upon motor generator sets if improperly handled? 104. What elements of a generator demand attention if it is to , operate at a maximum efficiency? ciwfcpc. ^pA^ Effect of Resistance, page 309 105. How much ballast resistance is permissible? 106. How does ballast resistance affect the flow of current? 107. What is the usual range of generator voltage above the arc voltage. " '" 108. How does the arc feed affect ballast resistance? • Oil and Dust, page 309 109. What is the effect of oil on insulation? ~muX& 110. Do dust deposits reduce generator efficiency? w-o* Worn Bearings, page 309 111. What serious condition is induced by worn bearings? 112. Describe the methods of checking bearings. 113. What tool is frequently used to test clearance between armature and pole pieces? 114. How can worn bearings be detected with a bar?^^vxo Lubrication, page 310 115. Describe the oil well of a sleeve-type bearing? lubricated? < T — , ',, ,r / ^Jc* ^ 116. How often should the motor be lubricated? — ^-coz^t*/^ 117. Will any ordinary oil suffice for a motor-generator ?,^4 Ball Bearing Lubrication, page 312 118. What two common constituents of oil must be avoided in ball bearing lubrication ? What must be done in the matter of selecting grease for ball bearings? ckCJ(J±a*svjL ■ I »