Commer was a British manufacturer of commercial vehicles, buses and trucks. It was founded in 1905 and based in Luton, England. When taken over by Chrysler in the 1970s the brand name was dropped in favour of Dodge.
Plenty of photos of Commer tenders on this site!
New Zealand Commers - Bash
My thoughts on the conversion of these appliances are mixed although the preservation of appliances ...