Items of Western Electric Rotary automatic exchange, 1920-1940

Made:
1920-1940 in Antwerp
Items of Western Electric No 7-A machine switching system Items of Western Electric No 7-A machine switching system Items of Western Electric No 7-A machine switching system Items of Western Electric No 7-A machine switching system Items of Western Electric No 7-A machine switching system

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Items of Western Electric No 7-A machine switching system
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Items of Western Electric No 7-A machine switching system
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Items of Western Electric No 7-A machine switching system
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Items of Western Electric No 7-A machine switching system
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Items of Western Electric No 7-A machine switching system
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Items of Western Electric No 7-A machine switching system (rotary automatic telephone exchange) made by Bell Telephone Manufacturing Company SA, Antwerp, 1920-1940. Including line finders, group selectors, sequence switches, motor and drive assembly. Previously installed at Newland telephone exchange, Hull, decommissioned 1 June 1975.

Items of Western Electric No 7-A machine switching system (rotary automatic telephone exchange) made by Bell Telephone Manufacturing Company SA, Antwerp, 1920-1940. Including line finders, group selectors, sequence switches, motor and drive assembly. Previously installed at Newland telephone exchange, Hull, decommissioned 1 June 1975.

In the early 1900s, six British towns and cities established municipal telephone services. Five of these proved to be commercial failures, and were bought out by the National Telephone Company or the Post Office. The sixth, in Kingston upon Hull, prospered. Being independent of the Post Office, Hull was free to choose Western Electric rotary for its automation programme, from 1922, rather than Strowger. This switching equipment was used at the Newland Exchange in Hull until 1975. Hull remains the only UK city not to be served by BT. Instead telephone services are provided by the KCOM Group.

Details

Category:
Telecommunications
Object Number:
1975-516
Measurements:
overall: 195kg
large section: 360 mm x 655 mm x 1550 mm,
small section: 300 mm x 330 mm x 1645 mm,
type:
telephone exchange
credit:
Donated by the City of Kingston upon Hull (Telephone Department)

Parts

part rack of line finders from Western Electric Rotary automatic exchange, 1920-1940

part rack of line finders from Western Electric Rotary automatic exchange, 1920-1940

Part-rack, marked R5 B17, of line finders No 7002, for Western Electric No 7-A machine switching system, made by Bell Telephone Manufacturing Company SA, Antwerp, 1920-1940

Measurements:
overall: 1675 mm x 330 mm x 270 mm,
Object Number:
1975-516/1
type:
electric switch
part rack of switches and relays from Western Electric Rotary automatic exchange, 1920-1940

part rack of switches and relays from Western Electric Rotary automatic exchange, 1920-1940

Part-rack, marked B13, of sequence switches No 7011 and associated relays, for Western Electric No 7-A machine switching system, made by Bell Telephone Manufacturing Company SA, Antwerp, 1920-1940

Measurements:
overall: 1480 mm x 670 mm x 360 mm,
Object Number:
1975-516/3
type:
relay
final selector switch from Western Electric Rotary automatic exchange, 1920-1940

final selector switch from Western Electric Rotary automatic exchange, 1920-1940

Final selector No 7009, for Western Electric No 7-A machine switching system, made by Bell Telephone Manufacturing Company SA, Antwerp, 1920-1940

Measurements:
overall: 200 mm x 275 mm x 200 mm,
Object Number:
1975-516/4
type:
electric switch
electric motor and gearbox from Western Electric Rotary automatic exchange, 1920-1940

electric motor and gearbox from Western Electric Rotary automatic exchange, 1920-1940

Electric motor and gearbox assembly mounted on frame, for Western Electric No 7-A machine switching system, made by Bell Telephone Manufacturing Company SA, Antwerp, 1920-1940

Measurements:
overall: 350 mm x 990 mm x 650 mm,
Object Number:
1975-516/5
type:
motor
drive shaft from Western Electric Rotary automatic exchange, 1920-1940

drive shaft from Western Electric Rotary automatic exchange, 1920-1940

Drive shaft for Western Electric No 7-A machine switching system, 3520 mm long by 170 mm wide at maximum, made by Bell Telephone Manufacturing Company SA, Antwerp, 1920-1940

Measurements:
overall: 3520 mm x 170 mm,
Object Number:
1975-516/6
type:
drive shaft
three line connection charts and one equipment label from Western Electric Rotary automatic exchange, 1920-1940

three line connection charts and one equipment label from Western Electric Rotary automatic exchange, 1920-1940

Three line-connection charts and one associated equipment label, for Western Electric No 7-A machine switching system, made by Bell Telephone Manufacturing Company SA, Antwerp, 1920-1940

Object Number:
1975-516/7
type:
chart
Various small components from Western Electric Rotary automatic exchange, 1920-1940

Various small components from Western Electric Rotary automatic exchange, 1920-1940

Various small components including gears, clutches, nuts and bolts, for Western Electric No 7-A machine switching system, made by Bell Telephone Manufacturing Company SA, Antwerp, 1920-1940

Object Number:
1975-516/8
type: