The daily sentinel., 1910-08-04

folding tent, which may be convert ed
into boat. the poles and stakes
forming the ribs and other frame.
work
Experts of the United States army
are designing coast defense mortars
that are expected to throw 7OO-pound
projectiles 1000 yards effectively
In connection with a Paris school
of pharmacy there is conducted a
garden in which only molds and their
allied fungi are raised for purposes
of study.
Containing but / 3 per cent of mois-
ture and the balance almost wholly
carbohydrates. the raisin is on a par
with the date and fig as an energy
producer
A dairyman in Ireland has invented
a process for mixing the waste milk
from creameries with coarseIy ground
phosphate of lime for use as a fer
tilizer
cubic foot of water under 20
pounds pressure and heated to the
temperature of steam at that pres
sure contains as much energy as a
pound of gunpowder.
Tests have shown joints rivited
with nickel-steel rivets to be more
than twice as strong as those in
which wrought iron or mild steel
rivets were used.
Pressing a lever under one of the
handles dumps the contents of a
wheelbarrow that a New York man
has invented, a spring rod lowering
one of the sides.
The sewers of the largest 157 cities
of the United States. il laid end to
end, would provide seven subways
under the Atlantic linking New York
and London.
For rapid maneuvering in narrow
waterways tug boats designed for the
River Tyne in England have the keels
cut away forward and the propellors
well spread.
A refrigeratlng device to keep the
contents in good condition is a fea-
ture of a coin in the slot sandwich
machine for public places that re-
Gently was patented
a new mail sack catcher for NOV
ing trains uses chain net which is
thought to be less injurious to the
contents of sacks than the metal rods
generally used
As substitute for celluloid and
ivory soft wood is impregnated with
formaldehyde, carbonic acid and var
ious metallic salts by a process de
veloped in Germany.
A portable concrete garage. built
on steel frames, for which a monkey
wrench is the only tool needed to
erect or demolish, has been devised
for automobile owners.
For use on uneven ground a ladder
for firemen has been invented in
which the legs are adjustable. rach-
cts permitting either one or both to
be extended quickly
To be safe from the eroding eff
fects of locomotive gases railroad
engineers have determined that the
substructure of overhead bridges
should have at least s feet clear
ance.
An electric railroad in northern
California uses portable substations,
mounted in cars, which may be NOV
ed to any point to transform a So
OOO-volt current TO any desired volt
age.
AT an international telephone and
telegraph congress to be held at Paris
in september much time and space
Will De given to a discussion ana ex-
hibltlon of automatic telephone sys-
TENS.
for training cavalry recruits the
English army LAS auoeted mecnan-
lcai horse Mulcn Is sara 10 faithfully
copy All the lnuuons OF a living steed
except those that might be Danger
Gus.
AS concrete is known to increase In
temperature as ii hardens thermom-
eteis VIII be imbedded in the walls
OF the Gatun locks in the Panama
canal IN In
crease goes on.
10 save the fingers from danger
when splitting wood a machine has
been brought out in which an axe
blade is suspended on a lever midway
between the pivot which holds one
end of it and the handle.
a back rest for motorcycle riders
that recently was invented is arrang-
ed TO fall out of the way the instant a
riders back Is removed from IL so
that 1t will not interfere with him in
dismounting.
10 produce electric currents direct
from heat an inventor has devised a
battery OF thermo-couples composed
OF alternate bars of copper and
olsmuth-antimony alloy, the heat he
ing supplied by gas flames.
CLOUDS that are very true to life
are produced in theatrical scenery by
the use of mirrors, which reflect
painted scenes representing clouds.
movements of the mirrors making
the clouds seem to move.
For building that is being erect
eu III Philadelphia Vermont marble
company has had to turn on a snec-
lally built lathe IA marble columns
each weighing about 33 tons. the
largest ever made in the United
States.
SaNony boasts $50 organizations
OF stenographers with total enroll
ment of upward of $4,000 members
more than 1000 of whom recently
met to celebrate the semi-centennial
Oh the formation of their first union.
combined foot rest and spare
seat, spare seat that folds into tbe
iioor, a writing case with electric
light attachments and wind shieId