Jones 50-line switchboard, 1879.
1879
Edison telephone peg switchboard and pegs, 1879
1879
Steel Iolanda switchboard, with light bulb and shade
1900-1950
electricity substation switchboard
1939
Sinclair Line Selector Automatic Switch Board, 1886
1886
Marine charging switchboard, 1900-1950
1900-1950
Aron Electricity meter switchboard type
Switchboard
1900
Switchboard PMBX 2+6 lind; PMBX 2/2A
AC relay to switchboard used on old magneto circuits to ring exchange
Eight-line switchboard
Murray switchboard
Twenty-line switchboard, magneto cord
Three wood and glass cupboards
Cord Switchboard with Lamp Signalling Type 4/1A by The Plessey Co. Ltd.
Switchboard, with ten lines
Two-line switchboard
Westinghouse switchboard A.C. Voltage indicator
Original switchboard from the Mansion House
1891
Switchboard PABX (ref SA8133)
Metal Iolanda switchboard, 1900-1950
1900-1950
1902 lighting switchboard from Gloucester Cathedral
1902
Distribution switchboard installed about 1890 in Lord Brassey's house
A typical pre-1914 main switchboard
1914
Generator switchboard with main switch
Switchgear with associated voltmeters and additional ammeters
circa 1930s
Telephone Switchboard with Telephone and Apparatus
Type 242E switchboard no. 4316
Thirty-line telephone switchboard
Two switchboards type 1052B
6-way weatherproof pyrometer switchboard
1900-1982
Section (3 positions) of a "Coded-Call Indicator" switchboard from a manual telephone exchange
Wood and glass cupboard
Switchboard T 242C no. 14689
3 phase switchboard meter
25-line rural automatic exchange switchboard UAX5 Mark 236 (c.1930)
1930
Switchboard by Newton, 1895
1895
Type 554 switchboard no. 3317
Mahogany Switchboard Mounted with Circuit Breakers
383 Switchboards (2)
Operator's switchboard used in conjunction with relay automatic P.A.B.X.
ATM cordless telephone switchboard. C.1960
circa 1960
Wood and glass cupboard
Switchboard from Windsor Castle
D.C. Switchboard (1887) by Veritys of Covent Garden
Crompton House-Lighting Switchboard
1890