The sun., 1916-11-05
AUTOMATIC BRAKE
Is NOW PERFECTED
Presto-O-Lite Company Calls
It "Self-StOpper' and 1t
Does the Work.

Self-starting devices for automobiles
have practically reached a stage OF per-
lection. but II has remained for the Prest-
O-Lite Company. makers Of the Prest-
o.Lite storage battery n a tank. TO
develop and place on the market the
first 'self-stopper."
This latest automobile convenience Is
a vacuum brake which enables the mo-
torist TO bring his car to a gradual stop
with ease and s%moothness or to stop 1t
instantly with a minimum Of personal
effort. The effort necessary. in fact, Is
about the same as Is required when
operating the ordinary hand or foot ac-
celerator or sounding the horn. The
driver 10 relieved of all physical strain.
an advantage which will appeal 10 all
motorists who have experienced the mus
cular tension Of driving a heavy car
down a long. steep grade.
II is claimed that the vacuum brake
will be a boon to women drivers. many
OF whom haven't the physical strength
to use the foot brake and bring the car
20 a sudden stop. With the
brake applying the brake Is just as
easy as turning on a lighting switch.
The name OF the new Prest-O-Lite
'self-stopper" Ii the Prest-O-Nacuum
Brake. 1t is a device OF few parts and
can be used on n make or model OF
car, large or small. having the ordinary
foot brake.
Ihere Is some similarity IN It's action
n that OF the AIR brake ystems on
present day railway trains because oo'h
employ the same sort OF cyllhuer ana
PISTON connected 10 'he prake rous' but
mere is this Important difference mat
the railway brake operates by the iorce
OF compressed ar whiie the vacuum
brake operates Whoiiy oy the norman
suction or the ehgine' employing no AR
compressor ana no AIR storage TANK
win even less pefsohai eHort imam the
engineer Oh n raliWo! locomotive uses
70 prihg the tremendous weight OF ms
tram 10 a wen timeu stop the ur'Ver
u a motor car may by gentle pressure
oi nhger or TOOL prihs ms nachlne 10
a standstiii IN an INSTANTLY locking
me wheeis. II necessary. Or ne may
SLOW " up GRADUALLY, oepIluihg al'o-
sether on DRIVING conditions. the opera
ton Is so simple that the slightest pres
sure gives the driver absolute coh'ro!
OF tne car AT an 'nes-Wwhether IN
'roWueu ttahic' "here stops nave 70 DE
maze suuuehIy ana WIN certainty or
out on the open ROAD. where IL Is oniy
necessary 10 SLOW UP temporarily ioT
Jumps OF crossings
Inc new brake operates on the same
genera! princlpIe as the vacuum easo-
enc 'eeu now wiueiS useu on autono-
o''es. a oeNice "hich makes II Poss'o!e
w IRA" sasoiehe ,foIh one ann W an
o'ner iocateu AT a hisner ie'e'. ..
Inc eh'ire ou'h' consists OF n small
speclai c!hhuer mounted on the frame
or any convenient cross member OF the
CHASSIS, ana u COPPER TUBING connection
10 tne INTAKE mahitoio OF the engine IN
which Is located u simple waive. con-
'roi,ed py a lever or button convenient
10 the mana OF ioo'' INSIDE the spec'ai
oHnnner ~ "A p'u"ker OF piston "hich Is
.onheVteu ~ '"e oraHe rous a'reaus on
'hs Gar
"heh manu- cohtroi IL provided the
ever Is iocaten on 'he steering column
mo ~ opera'eu IN much 'ne same way
mat 'ne sp"rh ieNer on manu- 'hro''ie
an "nen 'oo'
.u.',vi's pi.,'ueu d ou,'o" 1,"iIaF 10
ne TOO. aeee'efa'or II '"ca'eh on the
IT,
put'o". y. ener' as .he care may
a.; .o""e.'eu u.rect! " 'he 'aNe'
49, s"nrS oprh ~ Vacuum
~",'n sI"".s eN.s'n i" Tue Ih'ake mann
oru I'M .uu ensune y ruhhths tNtrts
" po".,iui ~ VI Su'''on III tne piuhser
:" u eIu''a.e"' ~ Az pounus 20 lhe
,iua,e .Nu t'opv pod"us oraN!nS
49, az ."e ie"r "neeIs' Nneh 'hc
ha"v s Wv "a : VI pt"eI M"ru' VIII
I've sNs .,os.u, we suction ceases
Wv =. p.u"s'I 20 pusleu paVA IN place
"n'n '"e IN.
$3.50 nu' Inns tme ioo' n'"Ae ~ nov
80 Wv ~ Vacuum p''hc Us NOV ia