Bion J. Arnold
Encyclopedia
Third rail
A third rail is a method of providing electric power to a railway train, through a semi-continuous rigid conductor placed alongside or between the rails of a railway track. It is used typically in a mass transit or rapid transit system, which has alignments in its own corridors, fully or almost...
", a pioneer in electrical engineering
Electrical engineering
Electrical engineering is a field of engineering that generally deals with the study and application of electricity, electronics and electromagnetism. The field first became an identifiable occupation in the late nineteenth century after commercialization of the electric telegraph and electrical...
, and an urban mass transportation
Public transport
Public transport is a shared passenger transportation service which is available for use by the general public, as distinct from modes such as taxicab, car pooling or hired buses which are not shared by strangers without private arrangement.Public transport modes include buses, trolleybuses, trams...
expert who helped design New York's
New York City
New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...
Interborough Rapid Transit
Interborough Rapid Transit Company
The Interborough Rapid Transit Company was the private operator of the original underground New York City Subway line that opened in 1904, as well as earlier elevated railways and additional rapid transit lines in New York City. The IRT was purchased by the City in June 1940...
subway system. After the IRT opened in 1904, the subway proved to be more popular than envisioned. By 1908, a system designed for a maximum of 600,000 passengers per day was being used by 800,000. Arnold was called upon again to solve the problem. His solution was to place automatic speed control devices on the trains themselves, so that more trains could be run during each hour.
Arnold also assisted in the conversion of electrified railways in Chicago
Chicago
Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...
, Los Angeles
Los Ángeles
Los Ángeles is the capital of the province of Biobío, in the commune of the same name, in Region VIII , in the center-south of Chile. It is located between the Laja and Biobío rivers. The population is 123,445 inhabitants...
and Pittsburgh, and the cable car systems in San Francisco. After graduating from Hillsdale College
Hillsdale College
Hillsdale College in Hillsdale, Michigan, United States, is a co-educational liberal arts college known for being the first American college to prohibit in its charter all discrimination based on race, religion, or sex; its refusal of government funding; and its monthly publication, Imprimis...
in Michigan
Michigan
Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....
, Arnold set up his own company in Chicago at a time when railroads were converting their power sources from steam to electricity. Between 1898 and 1912, he assisted the New York Central Railroad
New York Central Railroad
The New York Central Railroad , known simply as the New York Central in its publicity, was a railroad operating in the Northeastern United States...
and the Hudson River Railroad
New York Central Railroad
The New York Central Railroad , known simply as the New York Central in its publicity, was a railroad operating in the Northeastern United States...
in conversion of their lines leading into the Grand Central Terminal
Grand Central Terminal
Grand Central Terminal —often incorrectly called Grand Central Station, or shortened to simply Grand Central—is a terminal station at 42nd Street and Park Avenue in Midtown Manhattan in New York City, United States...
. Arnold was president of the American Institute of Electrical Engineers
American Institute of Electrical Engineers
The American Institute of Electrical Engineers was a United States based organization of electrical engineers that existed between 1884 and 1963, when it merged with the Institute of Radio Engineers to form the Institute of Electrical and Electronics Engineers .- History :The 1884 founders of the...
from 1903 to 1904.