he sliding Keel with the The furnace presents a heating surface of 19144 square outside lead, and of late years, in the smaller boats, feet, and in the 332 tubes there are 2,16414 square feet, some very ingenious combinations for this purpose winter. the total heating surface therefore being no… … ONE-RATER. easing, which is operated by a worm pressure ran uy to 195 pounds in and wheel. spite of the fact that the two pop In the drawings the keel isshown valves set at. 180 pounds were blowing off strongly. proved and the city laid out, We shall give illustrations and fuller details of this…
Internet Archive · Public domain (published before 1931). Free to use for anything.
