File:Electrical Machinery 1917 - knife switch.jpg

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Description

Fig. 103 Knife switch


See other images from this source in 'Electrical Machinery'
Date
Source Croft, Terrell (1917) Electrical Machinery, McGraw-Hill, pp. p117
Author Terrell Croft (orginal book author)
Permission
(Reusing this file)
Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Electrical_Machinery_1917_-_knife_switch.jpg

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Date/TimeThumbnailDimensionsUserComment
current10:32, 7 January 2013Thumbnail for version as of 10:32, 7 January 2013401 × 743 (163 KB)ScottCrop.
16:32, 30 January 2008Thumbnail for version as of 16:32, 30 January 2008439 × 771 (47 KB)Andy Dingley{{Scans from 'Electrical Machinery', 1917 |figure=103 |page=117 |title=Knife switch }}
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