Scientific Aivericatt. May 18, got. 318 Oven, annular chamber, L. O. Boeing....... Paper for ‘sympathetic ink, E. Kretsch- MAT 50 050.555 6 aia oie g.c'ole le cisiovassine Bieta a3. Paper making machine dandy roll, Johnson PoSSIBLE. Ge GAMO bt oi. owas Nees 5d areal tase Beare anes Pen, fountain, … Rail joint, A. Barr........... .. 673,811 Che Cypewriter Exchange Rail joint, C. B. Voynow......:...... .. 678,829 ROTARY PUMPS AND ENGINES. Railway conduit, electric, F. Hewer........ 673,538 j SOLD EVERYWHERE. Railway controller, electric, E. M. Bentley.. 673,531 Their Originand Development.—An…
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