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DUSTLESS AIR j
Causes
ELECTRIC SHOCKS
Bridge Theory
SYDNEY, Wednesday. — Tha
dusllcss atmosphere about the
Harbor Bridge highway, it was ex
plained today by Dr. Bradficld, was the
reason of electric shocks being received
there.
Dr. Bradficld said that as the atmo
sphere on the Bridge highway wos al
most entirely free from dust, the elec-
tr/city escaping from the battery of o
car became stored in the metal of tn:
body and in the bodies of the passen
gers. When the car was running along
an ordinary highway particles of dust,
often tinnoticenble to the eye, attracted
the current and prevented its accumu
lation.
As a result of the experience in tlie
collection of tolls on the bridge, it is
probable that the toll collectors will wear
rubber pads on their hands or have their
boots soled with crcpe rubber, which
v/ill break the path of the current to the
earth.
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