Scientific Research and Invention 131 
The very names of many of the standard stocks 
on the Stock Exchange symbolize this new inventive 
and scientific era; as, for instance, the radio, air- 
plane and motion picture stocks, such as Radio Cor- 
poration, Curtiss-Wright, and Fox Films. A vast 
number, whose names are not so indicative, are just 
as definitely founded on new inventions—such as 
Maytag and Remington-Rand, while a still larger 
number, while of older vintage, such as American 
Telephone and Telegraph, General Electric, Allied 
Chemical and Dye, and Johns-Manville, have re- 
cently transferred or added to their processes new 
inventions. 
A whole group of companies are exploiting inven- 
tions for the supremely important purpose of increas- 
ing power and effecting mergers on the basis of 
economies achieved through these inventions. Mar- 
tin J. Insull, the Chicago power magnate, states that 
as a consequence of the added power which inven- 
tion has contributed to industry, the forty-five and 
one-half million workers in the United States have 
achieved an output equivalent to from six hundred 
million to nine hundred million workers before the 
power era. 
Greater Productivity Per Unit 
By the enterprise of Mr. Insull, who is a chief 
executive of the electric power companies distributing 
power over sections of the Middle West, a flood of 
light is poured upon a main cause of America’s 
recent prosperity. This appears in a study entitled