File:W.H. and J.H. Johns Improvement in Reciprocating Steam-Engines - DPLA - 65551316248afe20f8a4e0c6389674b0 (page 1).jpg
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[edit]W.H. and J.H. Johns Improvement in Reciprocating Steam-Engines
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Creator InfoField | Department of the Interior. Patent Office. (1849 - 1925) | |||||||||||||
Title |
W.H. and J.H. Johns Improvement in Reciprocating Steam-Engines |
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Date |
25 June 1872 date QS:P571,+1872-06-25T00:00:00Z/11 |
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institution QS:P195,Q59661038 |
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current | 05:07, 8 March 2023 | ![]() | 3,528 × 5,162 (2.97 MB) | DPLA bot (talk | contribs) | Uploading DPLA ID dpla:65551316248afe20f8a4e0c6389674b0 |
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W.H. and J.H. Johns Improvement in Reciprocating Steam-Engines (English)
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