File:Britannica Dynamo 23.jpg
没有更高的分辨率。
Britannica_Dynamo_23.jpg （449 × 229像素，文件大小：32 KB，MIME类型：image/jpeg）
摘要
| 描述 |
English: When the completed winding of fig. 22 is developed as in this figure, it is seen to work continuously forwards round the armature in zigzag waves, one of which is marked in heavy lines, and the number of complete tours is equal to the average of the back and front pitches. |
| 日期 | |
| 来源 | Encyclopædia Britannica, 1911 |
| 作者 | Encyclopædia Britannica, Volume 8, Slice 9., available freely at Project Gutenberg |
许可协议
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This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States. |  |
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This image comes from the Project Gutenberg archives. This is an image that has come from a book or document for which the American copyright has expired and this image is in the public domain in the United States and possibly other countries.
This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.net. |
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| 日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
|---|---|---|---|---|---|
| 当前 | 2011年2月17日 (四) 18:43 | | 449 × 229（32 KB） | Keith Edkins | =={{int:filedesc}}== {{Information |Description={{en|When the completed winding of fig. 22 is developed as in this figure, it is seen to work continuously forwards round the armature in zigzag waves, one of which is mark |
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