Top photo.  "Bless & Drake" self heating spirit iron, 6 5/8" long x 3 5/8" wide,  similar to the Coleman Monitor iron without the heat shield.

Second photo.  "Handi" self heating spirit iron made in Brisbane, fully chromed  7 3/8" long by 3 5/16" wide.

Third Photo.   "The Imperial Brass Mfg Co" self heating spirit iron, 6 1/8" long x 3" wide with side pump.