Happy New Year to you TS Thanks for the information. I have half of the Registered Design document and unfortunately it is the half that does not give the date. However I have managed to get as far as this Reg Design and the number of the design is very close to the beginning of 1911 so you may have a very rare tin as well as stove Regards Bryan
Hi. Here some pics. Both 96 ver:1 code stamp:A but I think left type is earlier than right one. The difference is pump lid and knob,filler cap stamp. regards TKS
A little more to reinforce points made above by Takeshi regarding provenance and date coding stampings. These 2 photos are of markings on a 1912 Primus Aetna blowlamp: The 'Aetna' blowlamp is what became the ubiquitous '632', in 1912 both the name and number were present as well as this short-lived additional trade mark: