the ground, to allow it threads. The carbon buttons are arranged to bear plates overhang the sides and ends of the wrench. to be easily dragged along the ground toward the spoil with an elastic pressure against the diaphragm-plates, The overhanging ends are perforated to receive a rat- bank. D3'. »… … Mr. R. F. Church, C E. As the railroad passes under THE NESLEY SATCHET-WSENCH. the River Thames, advantage was taken of the oppor- THE FLECHEB ELECTBO-FNEUHATIC TELEFHONE. tunity of sinking two temporary shafts from a timber A new telephone transmitter and receiver has been The teeth of each…
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