The Detroit times. [volume] (Detroit, Mich.) 1903-1920, 1914-06-22
Oklahoma Indians
In Millionaire Class

eral government has seen to Il that
both Danny Tucker and Sarah Rector
have honest guardians who are look.
Ing after their welfare.
Officers Of the United States engin-
eer corps, in response TO a resolution
passed by con
River Pollution gress, are making
From Coal Mines. survey or the
extent OF the poi.
luton of rivers through the drainage
of water from coal mines This In,
vestigation al present is confined TO
the Pittsburgh district, but IL Is TO
be carried TO the Allegheny. Monon.
gahela. Youghiogheny and Ohio riy.
ers and their tributaries and the
small creeks and rivulets along which
the mines are located
IL is asserted that estimates al.
ready obtained indicate that in the
city OF Pittsburgh alone the added
cost 10 property owners from rotted
and corroded plumbing destroyed by
the chemicals in polluted waters
amounts TO about S350,000 a year, and
that the cost of repairs and renewals
of water and steam piping 70 manu-.
iacturers approXimates half a million
dollars. Still further Il is claimed
that the polluted water has mate.
rial effect upon the health OF the
communities which obtain their wa.
ters from these streams.
After the survey OF the field has
been made, il is expected that legis.
lation viii be proposed that will en-.
deaYor 10 deal with this pollution OF
streams. The mine waters are heav.
ily impregnated with chemical prop.
critics that have. a by-product value,
and II the mine owners are forbidden
from draining the waters into the riv..
ers, IL is thought that they will seek
70 recover the chemicals. which can
be used in the manufacture OF fer.
tilizer compounds for agriculture and
the tanning Industries.
Peculiar interest attaches at this
time 10 the announcement that both
the war and navy
Enriehlne departments are
Indians. watching closely a
mechanical play.
thing that has been invented by John
Hays Hammond jr., son Of the ia.
nous mining engineer who made his
millions in South Africa Young
Hammond several years ago took up
study OF wireless telegraphy, and
got along so we'll that his father
money being no object, established
at Gloucester. Mass, what today is
/ known as the Hammond radio re.
| search laboratory.
The result OF this has been the In
vention by Hammond OF a mechanism
I for operating a torpedo by "non-in
terferable radio impulses from land
station Hitherto. II has been posi-.
] BILE 20 operate a torpedo from shore
at an eight-mile speed. but the con-
troll has always lacked the fundamen-
tai essential OF immunity OF interior
ence by an enemy In other words,
| hostile battleship against which a
/ land-operated torpedo might be direct
I ed could, with its own wireless radio
! impulses. interfere and negative those
OF the land station.
] Mr.. Hammonds invention is cred
| tied with making such interference a
1 boomerang for an enemy for with
! his new device. In case interference
! is attempted, the radio forces Inn
pelling the projectile. instead OF los
ling their efficiency are strengthened
and the torpedo is drawn toward its
mark at an increased rate of speed.
! The war and navy departments are
so much interested in Hammond's
device that they are now co-operat.
| ing with him in the work OF his labor.
atory, and a number OF the higher
officials have agreed u witness the
tests which are TO be made soon.