of Liverpool, Lancashire
1898 Public company formed as Chadburns (Ship) Telegraph Co
1944 Name changed.
1951 Advert showed that Chadburn's had showrooms at Glasgow, Liverpool, London, Belfast and Newcastle-on-Tyne.
1961 General engineers, manufacturing marine equipment, including nautical instruments, speed indicators, counters, counters and manual steering gear. Also manufacture automatic soft drink vending machines.