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MAY JUNE Page 64 The hull is built of mild steel, divided into ten compartments, by nine bulkheads, six of which are watertight. The upper decks and houses are of wood, arranged in the usual style of American steamboats. Number of staterooms, 163..Number of regular passengers allowed by per- mit, 600; excursion permit, 2,700. This could be increased by providing additional equipment. Number of officers and crew, 108. Capacity for freight, 600 tons. Engine, single, compound beam, driving feathering paddlewheels. Boilers, Sis Gyllimcrieall, returm tubular. Pressure of steam, 130 pounds. Amount of coal used per round trip in forty-eight hours, 67% tons; amount of coal used per round trip of twenty-four hours, 55 tons. Coal used on the run of June 4th was select bituminous lump from the Youghiogheny district of the Pitts- burgh Coal Company's Eclipse Mine. The Tashmoo is an exclusively passenger steamer, owned and oper- ated by the White Star Line; in daily service on the Detroit and seo Clair rivers, crossimm ILalke St. Clair. The round trip between Detroit and Port Huron, occupies 11% hours; twenty landings are made each way, and lying at Port Huron two hours. Most of the run is in shallow water, which includes the St. Clair ship canal and the narrow cuts in Lake St. Clair. She has three com- plete decks for passengers; ten parlors; cafe and buffet on main deck; smoking room on upper deck. Number of passengers allowed by permit, 3,000. Number of officers and crew, 84. Engines, inclined, triple expan- Sion, driving feathering paddle wheels. Boilers, cylindrical, return Length over all, on keel, feet Breadth over guards, Depth, feet Draught, forward, aft, mean, feet feet Beam, feet feet feet feet tubular----two double ended, and three single ended. Steam pressure, 175 pounds. Consumption of coal per day, 27 tons. Coal used when running with the City of Erie was bitumin- ous, from Jackson Hill Mine, Jackson County, Ohio. While the usual ser- vice of the Tashmoo is in smooth water, she is designed, built and classed as a lake steamer, making occasional runs across the head of Lake Erie to Toledo, the southern terminus of the White Star Line. She has a heavy equipment of anchors, chains, ard eight lifeboats. Her peculiar cross-section was designed to allow the boilers to go under deck, thus leaving the main deck clear for passengers. The thin ends of the hull were cut off to reduce weight, and allow turning a reverse curve of 180 degrees in narrow water at two landing places on her regular route. The only novel feature in her design is the gear for handling the water ballast used for trimming athwartship, which has proved of great value. Tanks are built on the guards, just forward of the wheel housings, having a capacity, when full, of 13 tons of water each. Time required to fill one tank, seven minutes, the discharge water from the air pump being used. Time re- quired to discharge, 45 seconds. The valves are arranged that, in any position, there is always a full outlet from the ati, pump Ascone nection is fitted for filling tanks by the fire pump when the main engine is not in motion. One man easily handles the gear, and his services are only occasionally re- quired, except at landings. Particulars of the steamers and data of the speed trial on June 4th, as follows: ---- City of Erie Tashmoo 324 308 314 300 44 6/08) Are, 69 18 13.5 9.75 8.12 10.83 8.46 10.29 8.29