The Savannah morning news. (Savannah, Ga.) 1900-current, 1900-11-09

finger pushes the two pieces OF sheet
metal together and the circuit from the
battery 60 the bell is closed
The push button is So simple thai the
average boy can take two pieces o. thin
sheet brass. copper. or iron and make
temporary one IN few minutes which
might appear like figure one.
Although 80 simple the push button Is
very useful in every day life and s. the
forerunner OF many nice pieces of clectri-
cal apparatus used FOR opening circuits.
After experimenting with push. bell.
and battery, all close together until "a
mniar with the details the next step IL
10 put tho bell IN q separae room from
the push and the battery in some oui OF
the way place. A new feature Is al once
introduced. that of wiring II seems very
simple but requires careful thought and
action IN order 10 do 10 well.
The Next step.
Possibly our young electrician goes out
90 dinner with his mother. at the home or
a friend. ana notices that when The aid
An tho kitchen s. wanted an elect &C. bell
IN the kitchen rings On inquiry he nnds
that a push button Is held by a clamp %
the dining table. the wire running down
under the table through the floor
~ once an idea flashes across his mind.
He will TX hts mother similar ring and
IL will De SO handy that she can't help
buying 81.
This viii furnish capital 20 purchase
supplies FOR another Job and mother VIII
help advertise his new business.
on going - the cle.trical supply store
to get more bell wire and some double
pointed wire tacks he 81 Informed boy the
clerk that special pushes are made for
dining room doors which are operated by
the foot
lie concludes 20 use the push he has on
hand and have mother hold Il In her lap
when al the table. az other times 81 can
hang on q small hook under the table
near mothers chair.
The bell s. fastened up Ia the kitchen.
A small hole & made ln the kitchen floor.
tho dry battery placed OF beam or shelf
In the cellar. In another part Of che cel-
lar under the dining table "a small hole
4 made IN the floor just az a seam 10 the
CARPET Mother commences 90 DOUBT the
SUCCESS OF the undertaking but concludes
to put up with the Inconvenience and give
her boy every opportunity 10 complete the
job
one wire IS run up through the hole IN
the Kitchen floor. tackled fast 20 the
woodwork and che end fastened % the
bell The other end - clamped under
binding post Of The dry battery Ia the
cellar.
second Vtre Us passed up through TIE
hole ga the kitchen floor. the end cleaned
and fastened 20 the bell This wire is
tackled similar 90 the first but far enough
away TO prevent tacks from touching each
other. as they may cut through the in
sulation OF the wire. and ~ they touches.
they would lee the current OF Gle tuclty
return without passing through the bell
one metal tack should never be placed
over two bell wires when carrying cur
rent "a opposite directions.
The other end OF this second wire must
mass up through the hole under the din
ING table ard be fastened TO the push but
ton. Then it VIII extend from a binding
nost AZ the bell through the Kitchen
eoor across fhe cellar up through the
mole in me floor. under ne table 20 the
push button.
A third piece OF wire must now Be ran
from the other binding post Of the battery
IA the second contact OF the push button
I and fastened up. making the Job complete.
difficulties.
Tho Young electrician now pushes tho
! htt.1n and s. lnfoTmel by he maid in ihe
{ tlsrhen that the hammer on Che tcl just
/ ,lbrates a niue bur does not hit the
.rse enthusiastic face nov becomes one
/ ~ sn,dv and thought The wires are
! chanred ground In tne battery. other