SEWING MACHINE GAZETTE. 31 THE CHAMPION INCUBATOB. surface, and so produce a very efieotive hot water boiler for the On* of the best lacubator's ia that called the Champion, and purpose of this Invention. Instead of placing the boiler immediately manufactured by the Sunauto, Pneumatic Lighting and… … The Champion Lscubatok. return pipe, or, by preference, with a special pipe which is con- eoal or air, gas or parrafin oil, and will maintain an equal tempera- structed as follows : — take a large outer pipe and insert a smaller ture, regardless of size of flame or 'external circumstances. It is…
