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