The Ohio Democrat. (Logan, O. [Ohio]) 1886-1906, 1890-03-01
SCIENCE AND INDUSTRY.

The opinions OF nine OF the largest
mill owners in this country are uniform
in stating that the finest grains of flour
are made by the use of millstones in
preference To rollers.
Honey farming in Germany yields a
net income of 17,000.00o marks (about
four and quarter million dollars), and
1T is so important an industry that tho
government affords it the protection OF
special laws.
Prof lie Comte, OF Chardonnet,
France, has succeeded in producing ar
tificial silk, which, in strength, beauty
and usefulness can scarcely be distin.
guished by the most expert handlers OF
this material from the manufactures oil
the silk-worm product.
Prof. Wiley gives the values of the
chief cereals in the order of their nutri.
tive qualities as follows: First, wheat;
second, sorghum; third, maize: fourth,
unhulled oats. Sorghum-seed furnishes
-four like bucltwheat that makes pass
able bread, and is coming into consider
able use.
The big find of uranium in Cornwall,
in England, and the prospect of great
ly reduced price for that formerly con-
sidered rare metal, is likely to lead to
its employment as substitute for gold
in many ways, With copper and plati.
mum, alloys are made with it that rival
gold in beauty: indeed, where the latter
is used with it, it will successfully resist
the action of acid.
An expert pianist has been timed to
discover that he could play 5,595 notes
in four minutes and three seconds OF
twenty-four notes Involving seventy
two movements) per second. Comment.
ing on these observation Science says:
"Such estimates show, too, that we are
capable of doing many things at once.
The mind is not a unit, but is composed OF
higher and lower centers, the available
fund of attention being distributable
among them"
1t has been proven by trial that
cement mortar which has been mixed
with a large excess of water sets less
quickly than mortar mixed with the
usual quantity of water, but that in a
fow months the hardness of the two
becomes about equal. On the other
hand, mortar mixed with very little
water sets quickly, but at the end OF
two years is only about half as hard as
ordinary mortar
"A recent assertion that water color
paintings are affected injuriously by
constant proximity to electric lights
the more delicate pigments fading in
consequence, does not seem to be borne
out by the facts. AS a disintegrating
force, daylight is known to be far more
powerful than electric light of equal in
tensity. The latter too, as is well
known, is less active agent than day.
light to Photographic paper.-Scientific
American.
In summer the storms generally
move from the mountains towards orr
to and across the Mississippi river or
valley on the first and second days,
and from about the Mississippi river to
the east or more southeast the second or
third days. In the summer months
these storms generally cross the Mis-
sissippi river further north Tor beyond
the Canadian line), and during the
winter months they generally cross the
river further to the south; in spring
and autumn they cross this stream more
about it's midway or more northerly.
A great number of our storms move
over the lakes and pass down the st.
Lawrence river and valley.