. Official proceedings . FEBRUARY 27, I9I4 No. 4. EVOLUTION OF SCIENCE AND PERSONAL REMINIS-CENCES DURING THE LAST HALF CENTURYBy Dr. John A. I] & G BONZANO RAIL JOINTS Mm> HIC BDIZimO iLLEO SIEEL SIEP JOIITS«» AND OTHER GOOD TRACK DEVICESWest Street Bldg., TUf fl ? P PflMPAliV Peoples Gas Bldg.,New York, N. Y. lllL Ij ft U 01111(11/1111, Chicago. Ills.

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