Technical stuff

copyright North Somerset Museum 2003

This material is scanned from the papers held by the museum with their permission and, as such, is their copyright. Request for permission to use.

There is a technical notebook, belonging to Mr Mulholland in the archive with  a range of photographs, notes and diagrams. The cable blueprint also comes from this. A sample of some of the more technical entries is shown here.

Local correction notes. These describe how the signal, reduced to a series of pulses by capacitative coupling is restored to the original keying signal. (At least that's how I read it.)

A sample from the notebook recording some measurements taken in 1928

NEXT>