Patent_205,_305.jpg (737 × 591 pixels, file size: 33 KB, MIME type: image/jpeg)
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current | 19:07, 4 June 2021 | 737 × 591 (33 KB) | Doug Coldwell | cleaner image | |
19:04, 4 June 2021 | 737 × 591 (33 KB) | Doug Coldwell | more detail | ||
14:44, 2 June 2021 | 737 × 591 (30 KB) | Doug Coldwell | Uploaded a work by Albon Man, inventor and the United States Patent Office from [https://www.google.com/books/edition/Evolution_of_the_Electric_Incandescent_L/2f9UAAAAMAAJ?hl=en&gbpv=1&dq=%22It+will+be+observed+that+this+patent+clearly+shows+and+describes+a+number+of+the+essential+features+of+the+modern+systems+of+electrical+distribution+for+incandescent+lighting+among%22&pg=PA9&printsec=frontcover "Evolution of the Electric Incandescent Lamp" by Franklin Leonard Pope ·(1889), page 9] with Up... |
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