nited States, and
take no account of the development of many of the Edison inventions
in Europe or of their adoption throughout the world at large. Let it
suffice

STATISTICAL RESUME (APPROXIMATE) OF SOME OF THE INDUSTRIES
IN THE UNITED STATES DIRECTLY FOUNDED UPON OR
AFFECTED BY INVENTIONS OF THOMAS A. EDISON

Annual
Gross Rev- Number Annual
Class of Industry Investment enue or of Em- Pay-Rolls
sales
Central station lighting
and power $1,000,000,000 $125,000,000 50,000 $40,000,000
Isolated incandescent
lighting 500,000,000 -- 33,000 17,000 000
Incandescent lamps 25,000,000 20,000,000 14,000 8,000 000
Electric fixtures 8,000,000 5,000,000 6,000 3,750,000
Dynamos and motors 60,000,000 50,000,000 30,000 20,000,000
Electric railways 4,000,000,000 430,000,000 250,000 155,000,000
Telephone systems 800,000,000 175,000,000 140,000 75,000,000
Telephone apparatus 30,000,000 15,000,000 12,000 5,500,000
Phonograph and motion
pictures 10,000,000 15,000,000 5,000 6,000,000
Motion picture theatres 40,000,000 80,000,000 40,000 37,000,000
Edison Portland cement 4,000,000 2,000,000 530 400,000
Telegraphy 250,000,000 60,000,000 100,000 30,000,000
--------------------------------------------------------------------------Totals
6,727,000,000 1,077,000,000 680,530 397,650,000

that in America alone the work of Edison has been one of the most potent
factors in bringing into existence new industries now capitalized at
nearly $ 7,000,000,000, earning annually over $1,000,000,000, and giving
employment to an army of more than six hundred thousand people.

A single diamond, prismatically flashing from its many facets
the beauties of reflected light, comes well within the limits of
comprehension of the human mind and appeals to appreciation by the
finer sensibilities; but in viewing an exhibition of thousands of
these beautiful gems, the eye and brain are simply bewildered with the
richness of a display which tends to confuse the intellect until