Here is my new collection. Maruhachi perfect combustion gasoline oil stove Japanese old-style pressure gasoline stove. Maruhachi Manufacturing made it for household use. I dont have any other information. As I contacted Maruhachi Manufacturing, they also have no information. This is a speculation. Rinnai made Junker Stove in 1933.(reference：http://sts.kahaku.go.jp/sts/detail.php?no=111711420012). Similar characteristics between them. Maruhachi Manufacturing also made such style of stove in that same period, maybe. Beautiful green enamel frame No. 106? 108? 109? Perfect combustion Maruhachi gasoline GAS KONRO(konro means stove) Supplier Nagoya Maruhachi Manufacturing Tank,Pump,Cock,Handle,Fuelcap. Genelator and burner It works! but uneven flame pattern...burner may be not correct position.