| Ddisgrifiad / Description | 1) Llandudno, Conway & C.B.J.W.S.B. diagrams of proposed connections for 'Electroflo' metering & control equipment D. 10601. 1936.
2) Outline of control board for Conway & C.B.J.W.S.B. Drg. 3B3000.
3) Schematic Diagram of connections for 3 pump motor control equipment with pressure & flow regulations. Drg No. 3A1706. 1936. |