Municipal Civil Service Commission, New York, N. Y.
Volume :
56
Issue :
7
fYear :
1937
fDate :
7/1/1937 12:00:00 AM
Firstpage :
787
Lastpage :
790
Abstract :
Based upon an exact electrical analogy of a mechanical system, a specially constructed electrical computer eliminated many laborious calculations in designing the overhead catenary system for an extensive railroad electrification
