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CYLINDER SIZES Below is given the sizes of a number of lake engines and the boats in which they are placed. In addition to the direct information given, the list shows the lake practice of proportioning cylinders. The engines are all triple expansion except where otherwise designated. 28, $2% and 72 inches by 54 inches stroke—Owego and Chemung. 26, 42 and 70 inches by 42 inches stroke—Christopher Columbus. 25, 36, 51^ and 74 inches by 42 inches stroke, quadruple— Two in each of the twin-screw Northern steamers. 42 and 66 inches by 132 inches stroke, compound vertical beam—City of Alpena and City of Mackinac. 26, 42 and 66 inches by 72 inches stroke, inclined triple expansion for paddle wheels—City of Toledo. 24, 39 and 63 inches by 48 inches stroke—Maritana and Mariposa. 24, 38 and 61 inches by 42 inches stroke—Six Northern steamers, six Minnesota steamers, six Menominee steamers, five Lehigh steamers, two Mutual steamers, Pontiac, Aurora and Bradley. 23, 36 and 62 inches by 48 inches stroke—Hudson. 23> 37 and 62 inches by 44 inches stroke—Merida and W. H. Gilbert. 23, 38 and 62 inches by 36 inches stroke—Manitou. 23. 37/^ and 63 inches by 44 inches stroke—Centurion. LAKE ENGINES. 23, 37 and 62 inches by 42 inches stroke—Emily P. Weed and C. B. Lockwood. 22, 35 and 56 inches by 44 inches stroke—E. C. Pope. 21, 33^ and 57 inches by 42 inches stroke—Fred Pabst. 21, 33 and 56 inches by 42 inches stroke—Volunteer. 20^2, 32 and 54 inches by 42 inches stroke—Roumania. 20, 32 and 52 inches by 42 inches stroke—Olympia, Samuel, Mitchell and Schuylkill. 20, 32 and 52 inches by 36 inches stroke—Two in twin-screw steamer Virginia. 20, 32 and 54 inches by 42 inches stroke—Alex. Nimick and Helena. 20, 33 and 54 inches by 42 inches stroke -Pioneer. 20, 32 and 52 inches by 40 inches stroke—Sitka and Gogebic. 20, 33 and 54 inches by 40 inches stroke—Yuma. 20, 31 and 52 inches b}' 40 inches stroke—Neshoto, J. C. Lockwood and Frontenac. 19, 32 and 52 inches by 45 inches stroke—Brazil. 19, 30 and 52 in.hes by 40 inches stroke—Geo. W. Roby. Tom Adams, Philip Minch, Lackawanna and Scranton. 18, 30 and 48 inches by 40 inches stroke—Gilchrist. 17, 29 and 47 inches by 36 inches stroke—La Salle, Joliet, Wawatam, Griffin, Wade and Hesper. 17, 28 and 46 inches by 30 inches stroke—Rosedale. 15^, 26 and 42 inches by 22 inches stroke—Wadena. 15, 25 and 42 inches by 30 inches stroke—Cadillac.