Abstract: Combustion flashbulbs according to the invention have a light-pervious lamp envelope (1) filled with a tangled mass (5) of actinically combustible metal strips and an oxidizing gas. Current supply conductors (2, 3) are coated on parts situated within the lamp envelope with a dispersion (4) of metal powder in binder. This dispersion (4) adheres strips of the mass (5) to the current conductors (2, 3).The bulb can be ignited by a current pulse of approximately 25 V. Another method of igniting is to produce breakdown by applying a short-lasting voltage of approximately 25 V across the conductors (2, 3), afterwards succeeded by a filament current having a voltage of approximately 10 V. If the metal in the dispersion (4) is a nobler metal, the bulbs can be ignited with a current source of 10 V without preceding breakdown.The bulbs are simple of construction, rapid, and give a short-lasting lightflash.

Abstract: A liquid heating apparatus according to the present invention comprises a cylindrical outer shell, an inner shell consisting of a cylindrical body whose upper and lower portions are respectively provided with an enlarged flue chamber having a cross-sectional area remarkably larger than that of said cylindrical body, said inner shell being disposed within said outer shell so as to provide a space forming a water jacket between the two shells, a fire chamber formed by closing said cylindrical body at above said lower enlarged flue chamber, an insert hole for burner which penetrates said inner and outer shells and opens into said fire chamber, a rising heated gas chamber which is disposed above said fire chamber so as to communicate with it as well as said upper enlarged flue chamber, a falling heated gas space formed by intercommunicating said upper and lower enlarged flue chambers by means of plural smoke pipes penetrating the water jacket formed in between said outer shell and inner shell, and a flue outlet p

Abstract: An air circulation and humidification system for stoves consisting of a steam generator heated by the stove itself, a steam-driven motor driven by the steam generator and operable to drive an air circulating fan, a controlled portion of the steam exhausted by the motor being directed into the hot air leaving the stove for humidification thereof.

Abstract: A catalytic heating means is disposed in a heating chamber of a tubular body member defining a hair winding portion. The curling device includes a supply of a liquid fuel and aspirating means for vaporizing the fuel and mixing the vaporized fuel with air to supply a vaporized fuel/air mixture to the catalytic heating means. A temperature control means automatically regulates the flow of vaporized fuel in response to the temperature of the heating chamber.

Abstract: A catalytic heating means is disposed in a heating chamber of a tubular body member defining a hair winding portion. The curling device includes a supply of a liquid fuel and aspirating means for vaporizing the fuel and mixing the vaporized fuel with air to supply a vaporized fuel/air mixture to the catalytic heating means. A self-contained ignition means proximate the catalytic heating means is provided for initiating the oxidation of the vaporized fuel/air mixture in the presence of the catalyst. The catalytic heating means includes a woven sleeve with an unravelled end to act as a flame arrestor and increase ignition efficiency.