South Bend news-times. (South Bend, Ind.) 1913-1938, 1921-12-04

INDIANAPOLIS. Ind. Dec. g.
An announcement Of greatest inn
pOrtanCe 90 the owners Of motor
vehicles OF all types In Indiana was
issued today by Ed Jackson, secre-
tary OF state. comprising the regu-
lations prepared by T. J. Taylor.
state automobile light engineer, COW
eriug the use Of automobile or
streets and highways Of the state.
This IS In cOnfOrmance 10 an act OF
the 1921 general assembly.
Seeking 90 safeguard the highways
and actor travel at night the new
regulations represent the advanced
thought Of the Society OF Inuminat-
ing Engineers and the Society OF
Automotive Engineers This an
nouncement OF Sec'y Jackson is is
sued through the HOOsier State Au-
tomobile association. which orRani-
zation has prepared 10 cooperate
with the secretary Of state In the
application and enforcement OF the
regulations and statewide eduCa-
tional campaign. The active coop
Grafton OF the Indiana Automotive
Trade association IS also pledged
These regulations have been com
piled with but one view in mind,
declares Sec'y Jackson This is 10
establish a set OF uniform light CON
ditions for motor vehicles operating
on the public highway that will add
20 safety and convenience or night
driving and 20 safeguard the lives Of
81
highways OF Indiana after dark
Announcement is made that the
regulations Will become in full
force and effect Dec. 90 The sec
rotary points out that. TO comply
with the regulations II VIII be neces-
sary for each motorist IN Indiana
20 give attention 10 the following
Items
Equip headlights with proper
device for DETECTING the light rays
according TO the four point" test.
IS described hereinafter.
Install lamps OF proper candle
power rating for the device used
maximum C. p. permitted is 32).
Adjust lamps 20 proper focus
I'm the refectors 10 comply with the
requirements OF the device used for
detecting rays
Adjust or equip headlights to
give the light beam the proper tilt
on roadway.
The Indiana specifications are
now virtually the same as have been
adopted by New York. Massa-
chusetts. Connecticut. Maine. Ohio.
Iowa and other states They will
require a stringent cleaning house"
on all make-shift devices now on
automobiles. trucks. motorcycles or
other motor vehicles. The new reg
ulations viii not permit the use OF
devices which tend 20 diffuse or
spread the light from headlamps IN
a wide circle.
In tire "four-point" test. varying
regulations are prescribed for pas
senger automobiles moving
trucks and motorcycles In addition
90 setting forth requirements for
DETECTING devices. the regulations
prov de for the use or auxiliary
bulbs in front headlamps or resist
aucs type dimminE OF the main
bulbs. 10 Is provided that on well
lighted streets or highways. cities or
towns may require the sole use OF
these auxiliary bulbs or dimmed
lights. no matter II the headlamps
are equipped with legal DETECTING
devices. Notice OF enforcement OF
this provision must be given by
posting suitable signs on such well
Illuminated highways
The lighting engineers specihca-
tions for the "four-point" test for
headlights provides that a screen or
plane surface perpendicular 20 the
roadway be used. This Is stationed
100 feet in front OF the motor
vehicle. which shall stand on a level
surface.
Point No. I IS indicated as being
seven feet % the left OF the center
axis OF the vehicle. 100 feet distant
and so inches above the level sur
face on which the vehicle stands.
At this point, the light intensity
shall not exceed 500 candle power.
10 is highly important TO note in
connection with all these tests that
the requirements stipulate the tests
must be made with the vehicle fully
loaded according TO its use and
capacity.
Point No. IS on a line directly
In 'front.' or the center axis or the
vehicle. 100 feet distance and so
Inches in height. At this point the
regulations declare the passenger
car lamps shall register not 70 ex-
coed an intensity OF 2,4O0 candle
power. This intensity must not be
exceeded a. a distance higher than
the prescribed so inches above the
level on which the vehicle stands.
Point No. " directly in front II
the center axis OF the vehicle 100
feet distant and az cne-half OF the
height from the ground level 10 the
source Of the light. At this point II
= required that automobile head
lamps shall register a light intensity
OF az least 4,sG0 candle power. Slow
sDeeS trucks shall regfstsr a light.