DISCUSSION. PNEUMATIC DESPATCH TUBES: THE CIRCUIT SYSTEM.
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C W Siemens | Hawksley | W. H. Preece | Bramwell | Hawkshaw | W Pole | W C Unwin | J W Barry | Latimer Clark | C. F. Varley | E A Cowper | Bazalgette | W H Cutler | R S Culley | Barlow | D Thomson | Bramwell | F H Ricketts | T Webster | L Thomas | W. H. Cutler | R. S. Culley | W. Pole | D. Thomson | C. Siemens | E. Cowper | J. Barry | W. Preece | W. Unwin | C. Varley | Latimer Clark | F. Ricketts | T. Webster | L. Thomas