Open AccessDISCUSSION. PNEUMATIC DESPATCH TUBES: THE CIRCUIT SYSTEM.
Author(s) -
C W SIEMENS,
R. S. CULLEY,
C.F. Varley,
Latimer Clark,
E A COWPER,
W.H. Preece,
D THOMSON,
William Pole,
F H RICKETTS,
W C UNWIN,
T WEBSTER,
W H CUTLER,
L. Thomas,
J W BARRY
Publication year - 1872
Publication title -
minutes of the proceedings of the institution of civil engineers
Language(s) - English
Resource type - Journals
eISSN - 2054-0477
pISSN - 1753-7843
DOI - 10.1680/imotp.1872.22891
Subject(s) - compression (physics) , compressed air , electronic circuit , vacuum tube , telegraphy , electrical engineering , transmission (telecommunications) , engineering , mechanical engineering , physics , materials science , composite material , telephony
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