6,000 miles. She carries a com- and the other as an exhaust port: These ports are plement of about 75 officers and men. Including the nut and through the reduced end of the axle. The ‘*Pathfinder,” the Survey -will now have four steam nut is made in two concentric members having threaded… … the flanges. Openings extend through the entire un- clear the curved surface of the earth. The greatest PERSPECTIVE AND DETAIL VIEWS OF ROTARY exposed portions of ‘the tire, and through these open- height employed above the level of the sea, however, ENGINE, ings independent retaining wires pass,…
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