File:Galvanometer 1890 drawing.png
此为最大尺寸。
Galvanometer_1890_drawing.png （560 × 418像素，文件大小：30 KB，MIME类型：image/png）
摘要
Galvanometer image from PD book: Electrical Measurement and the Galvanometer: Its Construction and Uses, by T. D. Lockwood, New York: J. H. Bunnell and Co., 1890.
许可协议
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原始上传日志
The original description page was here. All following user names refer to en.wikipedia.
| Upload date | User | Bytes | Dimensions | Comment |
|---|---|---|---|---|
| 2006-11-05 05:22:49 | Dicklyon | 30612 | 560×418 | Image from PD book: Electrical Measurement and the Galvanometer: Its Construction and Uses, by T. D. Lockwood, New York: J. H. Bunnell and Co., 1890. |
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点击某个日期/时间查看对应时刻的文件。
| 日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
|---|---|---|---|---|---|
| 当前 | 2010年4月25日 (日) 23:20 | | 560 × 418（30 KB） | Quibik | == Summary == Image from PD book: Electrical Measurement and the Galvanometer: Its Construction and Uses, by T. D. Lockwood, New York: J. H. Bunnell and Co., 1890. == Licensing == {{PD-US}} == Original upload history == This file was originally uploaded |
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