File:Perkins furnace and expansion tube.jpg

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Original file(980 × 768 pixels, file size: 121 KB, MIME type: image/jpeg)

Summary

Details of furnace and expansion tube from Perkins' 1838 Patent

File history

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Date/TimeThumbnailDimensionsUserComment
current12:13, 8 September 2022Thumbnail for version as of 12:13, 8 September 2022980 × 768 (121 KB)Ashish kumar (talk | contribs)Details of furnace and expansion tube from Perkins' 1838 Patent

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