. QST . Model 6A ^ Order from PALCO ENGINEERING, INC. CARMEL, INDIANA SAVE HOURS OF WORK. quickly make round, square, keyand D openings with GreenleeRadio Chassis Punches In iH minutes or lessyou can make a smooth,accurate hole in metal,bakclite or hard rubberwith a GrbbnlbbPunch. Easy to operate. . simply turn with anordinary wrench. Widerange of sizes. Write fordetails. Greenlee ToolCo., 1864 ColumbiaAve., Rockford, 111.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915