File:E. J. Frost Electric Thermostats - DPLA - e5c3eae94e951250f9f0178d5bd9e957 (page 1).jpg
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Summary
E. J. Frost Electric Thermostats
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Creator InfoField | Department of the Interior. Patent Office. (1849 - 1925) | |||||||||||||
Title |
E. J. Frost Electric Thermostats |
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Date |
13 July 1875 date QS:P571,+1875-07-13T00:00:00Z/11 |
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Collection |
institution QS:P195,Q59661038 |
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Source/Photographer |
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Permission (Reusing this file) |
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E. J. Frost Electric Thermostats (English)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:31, 8 March 2023 | ![]() | 3,182 × 4,678 (972 KB) | DPLA bot | Uploading DPLA ID dpla:e5c3eae94e951250f9f0178d5bd9e957 |
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