File:Dolbear's wireless telephone circuit 1886.png
Dolbear's_wireless_telephone_circuit_1886.png (584 × 325 pixels, file size: 15 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:59, 29 April 2024 | 584 × 325 (15 KB) | Chetvorno | Uploaded a work by Amos E. Dolbear from [https://archive.org/details/sim_scientific-american-supplement_1886-12-11_22_571/page/9118/mode/2up Dolbear, A. E. Electric communication without wires in Scientific American Supplement, Munn and Co., Vol.22, No.571, 11 December 1886, p.9119] on archive.org with UploadWizard |
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