Marconi radio transmitter and receiver, used on whale catchers at Leith Harbour Whaling Station. The transmitter control unit has been modified from a chocolate box.
largest box width: 44 cm height: 57.5 cm depth: 36 cm second largest box width: 30.8 cm height: 25.5 cm depth: 51 cm third largest box width: 22.7 cm height: 35 cm depth: 35 cm fourth largest box width: 12.5 cm height: 10.8 cm depth: 18.7 cm transmitter box width: 19 cm height: 12.6 cm depth: 4.8 cm