"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 5515780 | Reciprocating printing apparatus with tangential inking arrangement A printing apparatus employs a rotatable cam having an enclosed cam slot for controlling the rocking motion of an inking roll without the need for a cam follower spring. The apparatus also includes an articulated printing member support assembly which exe... | 05/14/1996 |