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16,540 · Ewen · "Framing Window Prism Lights by Under-cutting the Corners and Depositing Metal therein" · Drawing Home > Prism Glass > Patent Index > Drawing |
16,540: 3 of 3 |
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Drawings: 494 of 667 |
A.D. 1897. September 4. Nº 16,540. EWEN'S COMPLETE SPECIFICATION. ![]() ![]()
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