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Summary
Illustration Description
Figure 339 -- Contact angle for the different types of brush
Sheet/laminated copper brushes use tangential contact as at A
Wire and mesh/gauze brushes use an inclined contact as at B
Carbon brushes are placed radially as at C when in box holders
Carbon brushes are inclined opposite to the direction of rotation as at D when used with reaction holders
Public Domain Source
Hawkins Electrical Guide, Volume 1
Chapter 21: Brushes and the Brush Gear
Page 312, Figure 339
Copyright 1917 by Theo. Audel & Co.
Printed in the United States
Upload Notes
Scanned by User:DMahalko, Dale Mahalko, Gilman, WI, USA -- Email: [email protected], on 21:08, 18 May 2008 (UTC)
Scanned at 600dpi, 8-bit grayscale using MicroTek ScanMaker 3600
Level-adjusted and cleaned up using Gimp 2.4.4
See Also
For a list of all these illustrations used in Wikipedia please see the article Hawkins Electric Guide on the English Wikipedia.
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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DMahalko
== Summary == === Illustration Description === Figure 339 -- Contact angle for the different types of brush * Sheet/laminated copper brushes use tangential contact as at A * Wire and mesh/gauze brushes use an inclined contact as at B * Carbon brushes are
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