The Ocala evening star. [volume] (Ocala, Fla.) 1895-1943, 1913-10-21
ART OF WEIGHING.
Wonderful Scales That Are Not
Mace of Anything.
THE LAW OF FALLING BODIES,
BY This. Tharks TO Newton and Lieb-
nitz and the Calculus Of Differentials,
the Weight o. Suns and Planets May
Be Accurately Determined.

the Weight o. Suns and Planets May
Be Accurately Determined.
The art Of weighing has expanded
into i comprehensive science and can
no longer be called Il mere art. Scales
are made Of metal. but the set herein
de ;cribed is not made OF anything.
Scales are III hourly Use that can
weigh Il pencil mark whose length is
one-fourth of an inch: or Il section of
a hair Of equal length. The usual
practice in weighing runs from grains.
ounces. pounds up to tons. usually one
ton. and then up to fifty or more tons
in railroad weighing. costing hundreds
and thousands of dollars.
But humans would find it quite diff
cult to make scales that would weigh
millions. billions trillions. quadrillions.
quintilliOnS, sextillionS. SeptillionS. Oc
tillionS and nOnillions Of tons. or de-
cillionS. An instrument able t. weigh
a decilliOn tons can now be purchaS ed
for one cent-a pencil. The scales are
not made Of metal; instead set and
fixed specific speed is the next to all
powerful engine used But it is far
more easy to run d locomotive or
steamship without knowing a single
law of these complex machines than
to even attempt to use the speed
scales without knowing every minute
detail Of every velocity law OF NOV
ing bodies.
Let a street car start from rest and
t:I
rate of motion is. say. twenty miles
per hour at the end of one minute If
the speed of the car increased uniform
~ during the entire minute its aver
age speed is ten miles per hour. be
cause it started from rest and in
creased to twenty miles per hour. IL
body moves during one minute at
twenty miles per hour the distance
traverSed will be speed multiplied by
time. or twenty miles multiplied by
One-siXtieth Of an hour. or one-third
Of 4 mile: but the average speed in
case of the car is ten miles per hour
so that the distance moved over is half
IS great or one-siXth mile. This is a
fundamental law Of nature and is of
enormous Importance
Law: For uniformly increasing
speed. starting from rest. the velocity
increases with the time. but the dis
lance traverSed is that moved over by
the moving body with its average
speed. or onc-haIf
&c
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