PREFACE
Resolution
THE INVENTION OF THE TRACK CIRCUIT
UNITED STATES PATENT OFFICE WILLIAM ROBINSON, OF BROOKLYN, NEW YORK. Improvement in Electric-Signaling Apparatus for Railroads Specifications forming part of Letters Patent No. 130,661, dated August 20, 1872.
DR. WILLIAM ROBINSON [2] Electrical and Mechanical Engineer Fellow American Institute of Electrical Engineers Graduate of Wesleyan University with Degrees of A.B. and A.M. Post Graduate of Boston University with Degree of Ph.D.
DR. ROBINSON'S RECORD FROM WESLEYAN UNIVERSITY
A.I.E.E. RECORD OF DR. WILLIAM ROBINSON
WILLIAM ASHBRIDGE BALDWIN
THE TRACK CIRCUIT
THE TRACK CIRCUIT IN GREAT BRITAIN AND ON THE CONTINENT By T. S. Lascelles
