The National tribune. [volume] (Washington, D.C.) 1877-1917, 1898-03-03

force varies as the weight and velocity vary
and this increased force opposite the moon
throws the water away from the earth,
causing the high tide opposite the moon.
Again, think there may be an unnamed
principle-a balancing force-which con-
trolls all the heavenly bodies; such that, if
LOCO tons of matter could be suddenly
taken from or added to one side of the
earth, the liquid and movable portions of
matter on the opposite side would quickly
| adjust matters so that the center of gravity
would not be disturbed hairs breadth;
somewhat as we instinctively throw out a
hand TO one side when iostled in an OPP
posIte directiOn.-Asa w. SlaytOn.
% In answer to the question whether
the Mississippi runs up hill, should say
| that measured from the earths center it
does, its mouth being three miles further
than its source. Measured from sea-level,
| it does not.-Asa w. SlaytOn.
%. In answer to Is the ocean level ?"
| should answer: Yes; it is water level.
AS to What is understood by the word
level mechanically / should answer
that mechanical level is line or plano
to the oblate form of the earth, very few
plumb-lines point to it's center except at
the equator and the poles.-Asa w. Stay
ton.
"a. Malt is grain charley is best) made to
SprOut by wetting with warm water, spread
warm Dom, stirring frequently few days till
the sprouts are half an inch or more long,
when the starch will be mostly changed to
sugar. Now stop the termination by heat
ing on the floor of the dry kiln. II is used
in brewing ale, beer, porter, whisky. The
liquor made from it is also called malt
Asa w. Slayton.
In terminating, the barley sprout forms
peculiar chemical body called diastase,
which has the property of dissolving starch
into a kind of sugar called maltese This
is of course to fit the starch for nutrition of
the sprOut by changing it into a soluble
body. When the formation of diaStase has
reached a maximum the barley is heated to
kill the sprout. 1t is then dry malt" On
grinding this malt and heating with water
to 40 Farenheit, all the starch dissolves
and a sweet liquid is formed. This liquid
drained off from the residua! barley husks
is wort" or the starting point for beer and
whisky. The reason for heating SO high
during maShing' is not because the
d astaSe works better, but because at tenn
perat4res low enough to permit the growth
OF bacteria, the wort sourS. Ordinary barley
malt contains five or six times as much
diaStose as is needed for the conversion OF
its own starch, so that in MASKING raw
grain generally corn or rice, is added to an
amount equal to four or five times the malt.
In Germany and other countries this use
of raw grain is forbidden in beer making
Editor
%. Starch is made by grinding or crush
ing corn, and washing through sieve with
cold water. On standing, starch settles out
as fine, white pswder. One hundred
pounds OF corn yield 20 to 30 pOunds.-Asa
w. Slayton. In this country, nearly all the
starch IL made from corn in the big factories
in Illinois and New York, but little potato
starch is made in New England, and sells
readily Corn and potato starch are a trifie
in thnIr ..H,, ,te.h To,
purposes. In Germany, where our magnifi-
cent cereal, COM, cannot be grown, potato
starch and some rice starch are made.-kd.
20. Comeback is made by charring
bones. Its principal use is as fltering
material. 1t has a, strange power OF APP
propriating and absorbing into its pores
many substances such as colOring matters.
In sugar retiningaray sugar is dissolved in
water and filtered through boneblack,
which removes much Of the color. HindOoS
will not use white sugar, because it has all
passed through charred bones. Boneblack
is the basis in shoe blacking.
u. Photographic dry plates are most
sensitive to blue and violet light and much
less. sensitive TO red. ! Many FEDS in pho. 20
graph are represented by black. Oranges in
a blue dish come out as black on white
back ground. But by staining the phGto-
graphic plate itself yellow or red, the plate
is rendered much more sensitive to yellow
called 'orthochromatic" right colorcdl, be-
cause it represents colors more nearly as
We see them. In the instance given, the
oranges, using an orthochromatic plate, Will
come out Light on dark background,
which IS the way the eye sees them.
-. Picric acid is a brilliant yellow
crystalline substance obtained by treating
phenol with strong nitric acid, and used in
dying silks and woOlenS.-ASa ". Slayton.
Picric acid combined with ammonia or
potash forms the haSiS of q number OF ex-
plosives. g Melinite," the French OK
piosiYe, is a pcrate powder.-Ed
-. Diatonls are a minute species OF sea-
weed having a large proportion OF slick in
them, hence have formed thick beds OF
f0ss Is in all the oceans in ancient times
They propagate by division, multiply
rapidly. haze so much slick that when the
vegetable matter decays the form is re
tanned. They are so small ii tales IL
one weighing $50 -millionth of one grain.
They aohere, forming rock. The rotten
stone, or Tripoli, from Bohemia, is composed
of them. Near Richmand, Va, there are
deposits or beds 10 TO 20 feet th.ck.-Asa
W. Slayton.
20 No vertebrate has three eyes, unless
We play the lion has-two in h S heaG and
one in his name.-Asa ". Slayton.
Mr.. Slaytoa is in error. The pine-tree
lizard (SceIep0rous undulatus), gay lizard,
or brown swift" hich is found around
Washington and on the eastern coast,
generally has, besides the usual two eyes,
IL "pineal eye" or light sensitive area, on
the top of it's head. 1t is not probable it
can see much with this, but il is certainly
useful to its owner. Tho lizard often lies
hidden in the pine needles with only this
eye" exposed. Curious theories have
been founded on this fact, it being as
stunned that tho 'pineal gland " may be the
remnant Of a once-uSeful eye
Editor.
Questions. Second Series)
6l What geometrical figure will a point
in the circumference OF circle describe while
revolving on a plane Warren Day.
81. What geonetrical figure will a point
in the circumference of circle describe
while revolving around another cir
Gle Warren Day.
So TO what purpose are such figures APP
piled i'll practical mechanics Warren
Day.
O.. Is il gravity Or a centrifugal force that
causes the Mississippi and Amazon Rivers
to flow toward the equator Warren Day.
65. What is the Spectrum?
So. What is DIANA gnetism =?
81. How does arasshopper make noise?
g. What is leyden Jar.
60. How is aluminium made?
10. Which is be;tvIer, pound of feathers
or a pound of gor23
Seed Facts 10 Ibe Relied Upon.
The latest catalogue of the seed growing
firm OF j. J. ii. Gregory & Son, of Marble
head, Mass, describes some valuable re-
i l. - lx..~~ \