Strain gauge testing of the guys to a lattice mast on Horsea Island, Portsmouth.

A close-up of the base of one of the supporting guy wires to a lattice wireless mast on Horsea Island, Portsmouth Harbour. A strain gauge has been fitted to measure the tension in the single guy wire and it is pointing to just past the 12 o'clock position. Vertical format.

Object details

ID: N24412
Type: Negative
Materials: Glass plate negative
Display location: Not on display
Date made: 1930
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 164 mm x 120 mm