Hughes Telegraph
Hughes Telegraph
an electromechanical, type-printing telegraph with a piano-like keyboard of original design, invented by D. E. Hughes in 1855.
| 单词 | hughes telegraph |
| 释义 | Hughes TelegraphHughes Telegraphan electromechanical, type-printing telegraph with a piano-like keyboard of original design, invented by D. E. Hughes in 1855. |
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