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File:Power Required on Different Grades, 1913 (52563572761).jpg

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Item 82, Engineering Department Photographic Negatives (Record Series 2613-07), Seattle Municipal Archives.

English: Seattle Engineering Department chart of power required on Different Grades, 1913. Somewhat dubious on a factual basis, but used very effectively by R.H. Thomson in arguing for regrading streets.
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Power Required on Different Grades, 1913 This image comes from the Seattle Municipal Archives, via Flickr.

institution QS:P195,Q19979269
Author Seattle Municipal Archives from Seattle, WA

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This image was originally posted to Flickr by Seattle Municipal Archives at https://flickr.com/photos/24256351@N04/52563572761. It was reviewed on 23 December 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

23 December 2022

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current21:33, 23 December 2022Thumbnail for version as of 21:33, 23 December 20223,406 × 1,897 (1,022 KB)Jmabel (talk | contribs)high resolution
21:14, 23 December 2022Thumbnail for version as of 21:14, 23 December 2022700 × 390 (57 KB)Jmabel (talk | contribs)Transferred from Flickr via #flickr2commons

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