Looks good! I would guess it is from late 1950ies 'til late 1960ies - but that is just a guess. Would be interesting to know if these stoves were made in US-Prisons as well as the AGM-Milspec-Armylanterns Best regards, Björn
I found something, that prooves, your stove is older than my guess: "Not all AGM products were lighting and cooking appliances. They also manufactured an early washing machine, and one quirky little book was published by AGM in 1949, as a promotional aid to the KampKook stove. Called "Favorite Recipes of Famous Outdoorsmen" it gave instructions for delicacies such as beaver tail soup, braised muskrat, cold-jellied Blue Channel catfish, and starlings on toast, all prepared in the camp site." from: Pressure lamps international AGM
Other, more knowledgeable people may chime in, but I think the KampKook stove is of pre-war production, early-mid 1930s perhaps. The story about prison produced stoves and lanterns is apparently an urban legend. State Machine Products is / was a private, for-profit company and the others mentioned were too. There may have been some quality control issues with low bid government contracts, but even in our modern era, the legendary Optimus stumbles when the bean counters have more influence in the company than the quality control guys. Paul
There is a model 2821 on the Terry Marsh website but the dates are guesstimates, late 1930's to 1940's. It would seem by the similarity of the model numbers that your stove is older than the 2821. The legs on your stove are different to the 2821 but they look the same as the legs on the 2534 model, the colour also looks the same as that of the 2534. The legs and colour are also the same as the 1930's Model 44 Kampkook, the 44 also has a red tank although it differs in design to your stove. I think the legs and colour would suggest that your stove is from the late 1930's but I stand to be corrected. Excellent find and cool to have found one in NZ.
For ye OLD REF. POST want to sneak in details re Dates & pats.: Re Above suggestions, the 2521 being offered: "...early-mid 1930s perhaps...", & "...late 1930's..." late 30s: For subscribers, unexpectedly, we see 2521 in "1930s (late) Svea Stoves" catalog, no worries, 2521 is an AGM. Trevor RIP made best effort of dating that catalog, he gives "late 1930s" estimate a reliable +1 (not ruling out 1930s in general). 1930s or early 30s: I'm also +1 w/Littledre noting resemblances with the No.44 of the 1930s. Sam RIP, another reliable source re: early, his 44 is early 30s. -------------------------------- I x-ref. this 2521 in recent 2521 discussion . AGM nameplates are more helpful than most. A quote from the *interwebs re 2521 nameplate patent refs.: " Aug 9. 1921, Dec 9, 1924, and Apr 26, 1927" *consider the source <- I'll "only guess" there may be more pat. info. on the nameplate.. 1922? Canadian pats.? One day we may get a better glimpse of the 2521 nameplate. Please direct comments, if any, to 2521 discussion (in stove forum). Thx tag @cinc