Art.

1 3  |   together." The two men became close friends, and Black's affection
2 5  |       to Roebuck. " I have been close working at the engine since
3 6  |       would have prevented that close co-operation between inventor
4 7  | employers. He lived on terms of close friendship with Boulton
5 7  |   copper mine failed and had to close down, the payments would
6 8  |         the century drew to its close, Watt was in his sixty-fourth
7 9  |  friendship had never been very close. One day in December 1799
8 9  |         long he was on terms of close friendship with several
9 App|  Cavendish, with whom he was in close touch. But Priestley often