This Sirram Redcap No.3 Boiling Set, is a small pot — one pint — spirit stove. The price of the stove as shown on the box was 4/- (four shillings). The stove was found in Australia. The two patents for the stove date from 1919: Patent 125923 https://classiccampstoves.com/threads/picnic-stove-outfit-british-patent-125923-1919.28192/ Patent 152239 https://classiccampstoves.com/threads/improved-spirit-burner-british-patent-152239-1919.42/ Other examples of Sirram Redcap stoves are: Sirram "Redcap" No. 3 Sirram Redcap No.2 or No.10? Sirram "Redcap" Boiling Set No. 10 Sirram "Redcap" No. 1 More to come…