Mountain Home bulletin. (Mountain Home, Idaho) 1888-1889, 1888-06-30
SCIENTIFIC sau,ss

Pullman, nlA, b TO have an electr5c oGA
ilroad ave miles long.
Tho direct acsioil Of steam q 80 dega b
Efficient to destroy all germs in from Ave to
fifteen minute& The efficacy Of heated dry
ur Ia uncertain.
Waste silk has been shown to be tho most
effective non-conductive covering for steam
pipes. The priceis high. but the demand v
very great.
The largest known flower is the Raflesia,
native Of Sumatra. It measures three feet In
iiameter, weighs fifteen pounds and has q
,alyx holding six quarts, The odor 10 offcn-
i've.
Railways are said to consume more than
half the worlds production OF iron, tho car
wheels required in the United States alone
taking more than 2,O0O,0OO tona
Mr.. Magnus volk has applied electricity 10
propel dog cart The current 10 provided
by sixteen accunulators capable Of keeping
| up supply for six hours The cart travels
nine miles an hour on asphalt.
About l5O colors are now obtained from
coal tar, which have almost entirely sup
planted vegetable and animal dyes Indigo
and logwood are the only two Of the forner
class considered OF much Importance
An electro magnos with carrying capac-
ity of 800 pounds 10 attached to q crane in
the Cleveland Steel works. which readily
picks up bllets and other masses OF iron with
out the aid Of any other Device A boy b
thus enabled to do the work Of dozen men.
patent has been granted in England for
the manufacture Of vinegar from tomatoes
The fruit, when ripe, or nearly 50, Ia reduced
TO a pulp and stepped in water for twenty
four hours The resulting liquor ia drawn of,
sugar added and the whole allowed to fer
nient
or eighty eight species Of weeds described
by Mr. L. II. Pammel, OF st. Louis, as grow
ing In southwestern Wisconsin and south
eastern Missouri, forty six are Of European
| and thirty Of American origin. One-third Of
, the latter class, and nearly one-fourth Of the
8 ,utire list, are composites.
Oil seems to wear out by long continued
Q .ise and to lose to some extent its lubricating
. qualities. 1t has bsen suggested as q reason
r Tor this that the minute spherical globules Of
3 which the oil Is conceived to 10 made up be-
. ,,ine Hattened by the wear and pressure, Gnd
Q 20 do not slide and rvn over each other as
t ,asily as before
: DR.. Otto Witt, a German authority, at
,chcs some importance to a troublesome sill
: Dinner Of -"Gricula trifenestratan--
rom which an excellent fiber has been OBJ
ained. This silk worm is extraordinarily
- productive, the living being surviving twt
> ,enerations in one year, and it forms new
~ md remarkable source Of raw material fo
= . 30 silk industry.
- An Approximate idea Of the amount 0
- ianganese contained in steel can he ascer
e aimed by means Of the magnet. a magne
i apable of lifting thirty pounds OF ordinar.
70 teel or iron will only lift u few ..ligramsi
q he metal contain 20 per cent. Of manganese
50 small a quantity as per cent. Of man
"a sanese will nearly neutralize the magneti
,a attraction.
in interesting development in photograph
10 5 in the use OF clockwork In printing fror
Id negatives By this means q continuous we
Ne Of sensitized paper In drawn at suitable il
gu tervals under negative exposed to sourc
nd II light After printing the paper II drawn
is still by the mechanism, through ''washer
lie toner and "fixer' successfully, and appeal
[r finally rs series OF finished pictures read
ey for mounting, and all alike In exposure, colo
he and tone.