Fault analysis equipment for British Post Office Monarch 120 system digital PABX (private automatic branch exchange)

Fault analysis equipment for British Post Office Monarch 120 system digital PABX (private automatic branch exchange) Fault analysis equipment for British Post Office Monarch 120 system digital PABX (private automatic branch exchange) Fault analysis equipment for British Post Office Monarch 120 system digital PABX (private automatic branch exchange)

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Fault analysis equipment for British Post Office Monarch 120A system digital PABX (private automatic branch exchange), made by Texas Instruments, 1980-2000

Details

Category:
Telecommunications
Object Number:
2015-490
Materials:
metal (unknown), plastic (unidentified) and paper (fibre product)
Measurements:
overall (estimated weight): 150 mm x 500 mm x 300 mm, 2 kg
type:
electronic device
credit:
BT Heritage and Archives