The Caucasian. (Clinton, N.C.) 188?-1913, 1892-04-21
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tower Is aa, sgst.s - oan 81 pasats
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saala battery ThHs ara als1 aaseen
Smaller clnsks Ioes1 q Ia yzr3als fs.rs4
81 t3e buIs<lsuz. aaHl tlese tpussss
clocks beat tlsua tae. Seer a.taoui tick
Ing. bu. v,ih instant as4sa.ls 5sFv sa.
Tie regulator whial 1ges iIa lat
keeping il = large eight day c,eea, :isas
differs froal aa ordinary regulator ouIy
ja being provided ,silt two insulated
wires, and when its second hand rosn
pieres its round IL CONES Ia cauga.rl
with a platinum point, wtssch ins:anta
necas touch makes e gaoslentary e.es
trio circait by means II tire wires. the
fash communicating S.sA III tbe Other
elogks, and each ohags Gl4e ieIevr3p1lis
mandate by pointing IA aeg minute.
The source Of the electricity for al
this automatic whispering is found n
batteries that are located in oae OF tbs
tower rooms, where two separate install
laiious, each containing 2Il cells. ART
in Il cabinet together. ouly one Of the
two sets Is, however. required at "A time
the other is simply for uea ia case Of
an emergency, and ID il but thc work q
an instant r. connect the whole appa
ratus with the unused battery 10y siut
ply turning the handle OF compound
switch. The clocks need not lose Z
minute in the change. for the switch
ing can be accomplished between the
electric flashes. Among the interesting
parts of the Ingenious mechanism is a
relay through which all the electri,
currents pass.
This relay has at one end an arnra.
tpre and magnet similar to but larger
than those seen in j common tele
graphic sounder. The lever of the mag
net works a shaft that causes eighteen
brass fingers 10 vibrate When the
fingers fan they complete the electric
current in eighteen wires that run tc
the twenty dials-conncction being 8.
simultaneously broken when the fingers
are raised. Ocular proof of the pres
sence Of electricity is given in green
sparks on the tips of the brass points
when the connection is broken.
Many persons climb the extra flights
of stairs above the battery room and
only pause III the section OF the tower
where the four great dials are placed.
The gigantic hands of rolled steel each
weigh forty pounds and are to be seen
dimly through the translucent glass Of
the dials that are about sixteen feet in
diameter. The shaft that carries the
hands pierces the center of the disk
where it is connected with a large arm.
ature with an attachment Of brass cog
wheels.
Each flash over the wires leading
from the battery room whirls through
the big spool of wire in the armature,
magnetizes the soft iron core and shield
swings a ratchet lever, gives a turn 10
the brass cog wheels, and thus causes
the minute hand outside to swing along
nearly ten inches We go down to the
outside world, 200 feet below, and
when we turn to look up once more at
the minute hand we understand that
its seeming short steps each announce
that down in the heart of the great
building the tiny, trembling second
hand of the regulator has just com,
peted another delicate cycle and
marked the fight of another minute. -
Cor. Springfield Republican.