Mixer electronic marker

The two mixer electronic marker units are marked NAV1945.1 and NAV1945.2.
Each labelled:
MIXER ELECTRONIC MARKER
5920-99-059-0109

Label on inside:
VCS UNIT TYPE 165
Hendry Relays & Electrical Equipment Ltd.
Slough, Bucks.

Object Details

ID: NAV1945
Type: Mixer electronic marker
Display location: Not on display
Creator: Hendry Relays & Electrical Equipment Ltd.
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London
Measurements: : 150 x 150 x 160 mm
Parts: Mixer electronic marker