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DISCUSSION. PNEUMATIC DESPATCH TUBES: THE CIRCUIT SYSTEM.
SIEMENS, C W, CULLEY, R S, VARLEY, C F, CLARK, L, COWPER, E A, PREECE, W H, THOMSON, D, POLE, W, RICKETTS, F H, UNWIN, W C, WEBSTER, T, CUTLER, W H, THOMAS, L, BARRY, J WVolume:
33
Language:
english
Journal:
Minutes of the Proceedings of the Institution of Civil Engineers
DOI:
10.1680/imotp.1872.22891
Date:
January, 1872
File:
PDF, 2.00 MB
english, 1872