. American engineer and railroad journal . These cost no more than those of inferior qual-ity. The connecting links made by this firm are so satisfactoryas to justify confidence in other products of their works. Theaccompanying illustrations show three forms of Crocodilewrenches. A representative of this journal has made a carefulinvestigation of this product. The address of the KeystoneDrop Forge Works is Twentieth and Clearfield streets, German-town Junction, Philadelphia. SOLID-FRAME TENONING MACHINE. The accompanying engraving is a view of the improvedsolid-frame tenoning machine, with rol
. American engineer and railroad journal . These cost no more than those of inferior qual-ity. The connecting links made by this firm are so satisfactoryas to justify confidence in other products of their works. Theaccompanying illustrations show three forms of Crocodilewrenches. A representative of this journal has made a carefulinvestigation of this product. The address of the KeystoneDrop Forge Works is Twentieth and Clearfield streets, German-town Junction, Philadelphia. SOLID-FRAME TENONING MACHINE. The accompanying engraving is a view of the improvedsolid-frame tenoning machine, with roller carriage tables,manufactured by the Bentel & Margedant Company, Hamilton,Ohio. This tenoner is adapted for both heavy and light work,cutting single-length tenons up to 3V2 ins. in length, anddouble-length tenons up to 6/» ins. in length. The machineframe is cast with the cutter-head column and table bracketsin one single piece, so that the sliding table and cutter-headsretain under all circumstances their relative adjustment and. Improved Solid-Frame Tenoning Machine cannot get out of line. This form of frame secures also apositive firmness and total absence of quiver, so that verysmooth tenons can be produced on heavy or light cutter-head column is arranged on the face with heavydovetail slides, upon which the two cutter-head housings dovetail slides have adjustable gibs, so that any loosenessin the sliding surfaces which may be caused by natural wearcan be taken up. The adjustment facilities of the two hori-zontal housings on the column are as follows: Both housingscan be raised and lowered, each one independent, or both canbe raised and lowered together, keeping the adjustment orrelative setting of the two unchanged while raising or lower-ing. The upper housing is provided also with horizontal slide-ways, so that it can be moved sideways or horizontally foradjusting of shoulder or oversetting the shoulders. The verti-cal adjustment is made by the c
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
