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boiler through the pipe D and circulates through the fire-box, where it is heated and superheated, and then passes to the oven through pipe F, whence it may be turned into 5 any one or all of the compartments of the oven through the valves h. The amount of steam to be turned into any compartment of the oven may be regulated by its valve. Various changes may be made in the con- 'o struction and arrangement of the superheat- ing-pipes and the other elements of the com- bination shown without departing from my invention. Having fully described my invention, what 15 I claim as new, and desire to secure by Letters Patent, is- 1. An apparatus of the character described having a fire-box, a boiler supported on said fire-box, an oven mounted on said boiler and 20 provided with a plurality of compartments, and a pipe connected to said boiler and circu-
lated through said fire-box and extending up to said oven for supplying the compartment of said oven with superheated steam. 2. An apparatus of the character described 25 having a fire-box, a boiler supported on said fire-box, an oven mounted on said boiler and provided with a plurality of compartments and ventilators and a drip-pipe, and a pipe connected to said boiler and circulated through 30 said fire-box and extended up to said oven and provided with a plurality of valves for supplying the compartments of said oven with superheated steam. In testimony whereof I set my hand, in the 35 presence of two witnesses, this 3d day of No- vember, 1903. DAVID HARRINGTON. Witnesses: F. E. LAUGHLIN, A. L. JACKSON.