Category:Comparative tests of induction wattmeters (1907)
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Media in category "Comparative tests of induction wattmeters (1907)"
The following 5 files are in this category, out of 5 total.
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Comparative tests of induction wattmeters (1907) (14593895829).jpg 2,944 × 2,047; 1.41 MB
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Comparative tests of induction wattmeters (1907) (14777474371).jpg 2,944 × 2,047; 1.6 MB
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Comparative tests of induction wattmeters (1907) (14778246524).jpg 2,047 × 2,952; 1.07 MB
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Comparative tests of induction wattmeters (1907) (14780276592).jpg 2,944 × 2,047; 1.32 MB
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Comparative tests of induction wattmeters (1907) (14800497843).jpg 2,944 × 2,047; 1.62 MB