Technical manual: M13 Monarch 250C Call Connect System / Installation

Technical manual: M13 Monarch 250C Call Connect System / Technical manual: M13 Monarch 250C Call Connect System /

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Technical manual: M13 Monarch 250C Call Connect System /
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Technical manual: M13 Monarch 250C Call Connect System /
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Technical manual: M13 Monarch 250C Call Connect System / Installation, Commissioning and Maintenance

Details

Category:
Archive
Object Number:
2015-495
Materials:
paper (fibre product), plastic (unidentified) and metal plated (unknown)
type:
document
credit:
BT Heritage and Archives