Thus
Henry produced the electromagnet which was the beginning of the mastery
by man of the subtle fluid. He also discovered that the intensity and
power of the electric current were materially augmented by increasing
the number of the series of battery plates without increasing the
quantity of metal used in their construction.
These discoveries of Henry were, beyond all question, the most important
in real and intrinsic value ever made in the progress of electric
science, as they form the solid basis upon which all subsequent
inventors have been enabled to accomplish successful results in their
various fields of endeavor. It is conceded by all familiar with the
history of electrical progress that the name of Professor Joseph Henry
is to be honored and cherished as one of the very foremost of scientific
discoverers of any age or country, and it must remain a cause of sincere
and permanent regret that of all the fabulous wealth that has resulted
from the advancement of electrical science, this modest and unselfish
inventor should have passed hence without ever having realized any
substantial reward for his great work.
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