. Railway mechanical engineer . r shaft and 3-step cone pulley, but electric motor,used. This particular cap bed lathe is driven through a geared head drive can be furnished if desired. HI 3£©3S ( ML-ira Shepard 12-Inch Gap Bed Lathe Rotary Piston Pneumatic Grinder A PORTABLE pneumatic grinder, recently designed andbuilt by the Keller Pneumatic Tool Company, Chi-cago, is a radical departure from common practice inmaking portable grinders. The motor is a rotary piston type, developing a high speedfor grinding, with ample power to maintain the speed underload° No crank shaft or toggles are emplo
. Railway mechanical engineer . r shaft and 3-step cone pulley, but electric motor,used. This particular cap bed lathe is driven through a geared head drive can be furnished if desired. HI 3£©3S ( ML-ira Shepard 12-Inch Gap Bed Lathe Rotary Piston Pneumatic Grinder A PORTABLE pneumatic grinder, recently designed andbuilt by the Keller Pneumatic Tool Company, Chi-cago, is a radical departure from common practice inmaking portable grinders. The motor is a rotary piston type, developing a high speedfor grinding, with ample power to maintain the speed underload° No crank shaft or toggles are employed and the pis-ton and connecting rod thrust are in a straight line at alltimes, eliminating toggle trouble, vibration and wear. The new Keller grinders are built in two sizes, the smallerweighing but 5% lb. and the larger 18 lb. As will be notedin the illustration, the tool is well proportioned and balanced,being easily controlled by means of the grip trigger. Theabsence of vibration insures endurance in operator and Keller Rotary Piston Pneumatic Grinder Combines Power and Speed Railway Mechanical Engineer {Formerly the RAILWAY AGE GAZETTE, MECHANICAL EDITIONwith which the AMERICAN ENGINEER was incorporated) be First Thursday oi Every Month by theSIMMONS BOARDMAN PUBLISHING COM] ANY Eoward A. S President IIenky Lee, Vice-President and Treasurer L. B. Sherman, Vice-President Samh . Dunn, Vice-PresidentCecil R. Mills, Vice-PresidentRi \ V. VVrigb i. SVi retary VVOOLWORTH BUTLDING, NEV* YORK, N. Y, F. H. Thompson, Business Manager, Cleveland Chicago: Transportation Bldg. Cleveland: 4300 Euclid Ave. Washington: Home Life Bldg. Cincinnati: First National Bank Bldg. London: 34 Victoria Street, Westminster, S. W. 1. Cable Address: Urasigmec, ndon Roy Y. Weight, EditorA. 1. Stubbing, Managing Editor k. E. Thayer, European Editcr C. B. Peck, Associate Editt rC. N. Winter, Associate Editor E. I - VVoodvi vi>. / s tcicteC. W. Foss, Associate Editor Entered at the Post
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
