Scientific American Volume 88 Number 10 (March 1903) . FOR LIGHT AND MEDIUM WORK this new 14 inch <^B. F. BARNES Drill is the best tool , well built, up to date. Thedriving power is strong and positive—thefive-step cone gives wide range of speeds-will drill from l/16-inch to%-c\i. Head-ing matter on request. B. F. BARNES COMPANY, Rockford, III. INDUCTION w \J 1L S for experi-ments in X rays andother electrical work. t&~ Catalogue Free. E. S. RITCHIE & SONS. Brookline, Mass ft£ r^) Automatic Machines f^l FOR *d? FORMING WIRE -- *f*J from coil into shapes similar ^^^


Scientific American Volume 88 Number 10 (March 1903) . FOR LIGHT AND MEDIUM WORK this new 14 inch <^B. F. BARNES Drill is the best tool , well built, up to date. Thedriving power is strong and positive—thefive-step cone gives wide range of speeds-will drill from l/16-inch to%-c\i. Head-ing matter on request. B. F. BARNES COMPANY, Rockford, III. INDUCTION w \J 1L S for experi-ments in X rays andother electrical work. t&~ Catalogue Free. E. S. RITCHIE & SONS. Brookline, Mass ft£ r^) Automatic Machines f^l FOR *d? FORMING WIRE -- *f*J from coil into shapes similar ^^^ to cuts. We can furnish ma- * chines or goods, as desired. rrrm HEP Send for Catalogue. ?* BLAKE &, JOHNSON, P. O. Box 7, WATERBURY, CONN. Account carrier, V. A. Chapman 721,422 Aerating beer, etc., means for, K. C. Harvey 721,1S4 Agricultural iiupUmout, D. Lubin 721,5S2 Agricultural implement, power operated, D. Lubin 721,580, 721,581 Agricultural machine, D. Lubin 721,583 721,581 Agricultural machine, motor operated, L. Lubin 721,585 Air cooler and heater, cabinet, J. & W. Titus 721,254 Air tight bos, tin, or canister, A. 721,507 Alarm. See overflow alarm. Alloy of iron and titanium, A. J. 721,4G7 Amusement apparatus, J. Brown 721,031 Anesthetics, apparatus for administering, W. A. Heckard 721,185 Animal trap, Nesmith & Brewer 721,321 Animal trap, W. Wilhelms 721,407 Animal trap, Bristol & Eberhard 721,537 Animal trap, W. A. Smi


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectamerica, bookyear1903