Photographs showing phonic motor, signal forming unit and send relay unit

Made:
1952 in Herstmonceux
supplier:
Royal Greenwich Observatory, Herstmonceux

Three mounted photographs showing phonic motor, signal forming unit and send relay units

Details

Category:
Time Measurement
Object Number:
1952-188
Measurements:
overall: 370 mm x 390 mm
type:
photograph
credit:
Royal Greenwich Observatory, Herstmonceux