The Salt Lake herald. [volume] (Salt Lake City [Utah]) 1870-1909, 1909-07-25
NEWEST NOTES OF SCIENCE

a building viii force 1Sj cubic feet Of air
/ through one-sixteenth inch crevice in
an hour.
The largest movable bridge vet built in
/ Asia is a dOuble-leaf roller lift affair,
| with an opening 200 feet wide, erected by
a Chicago company for a railroad in
/ Burma.
A new gun carriage with which the Ger
man army is experimenting has psdrail
wheels. the tire blocks of which prac-
tically make and take up load for it as
! il advances.
To celebrate the first centenary of Ar
gentine Independence an international
railway and transportation exposition will
b. held at Buenos Ayres from May to
| November next year.
In fuel tests by the geological surve 3
all but three Of thirty-seven specimens Of
coal from the Rocky mountain region
produced good coke, although several had
been considered nOn-COking.
A feature of a new shower bath appd-
ratus is q pipe coil to be placed over a
gas, alcohol or oil rurner, BY which It Is
claimed the water may be maintained at
an even temperature.
French scientists who have been inVeS-
tigating the subject say electric fans are
injurious to health, as they stir up bac-
terra in nearby dust and circulate them
through the air.
To train apprentices to kill cattle with
a single blow fl 9 rman abattoirs there
is used an instrument that registers the
force and direction Of strokes. of a siaush-
tering mallet
Tests seem 60 have supported the claims
of a Boston inventor to have perfected
system of wireless tel aphOny which can
not be interrupted by other wir less waves
Ia the same zone.
Government figures place the couutrv's
production Of pig iron last year at 1885
OlS long tons. a decrease in quantity of
over p per cent and In value Of about y
per cent from 1871. The output was the
smallest since 1871
OF all the Rortrv rnortn-af,7 and r8s-te,-
coast states, California and Oregon alone
increased their output Of coal last year
over the figures for 1851 Decreases were,
shown in all the others.
To leave marching soldiers hands free
Chicagoan has patented "a rifle carrier.
consisting Of pocket to suspend the butt
from the belt and a strap to hold tn
barrel against the shoulder
Merseilles Is the leading vegetable oil
center Of the world. its fcrty-fiva mills
crushing 453e1 tons Of seed annually
Hundreds az thousands Of barrels Of i'm
ported oils are also handled there each
year.
a new optical instrument consists Of a
hign-poWsred incandescent lamp which
can b. taken into persons mouth 10 il
illuminate his eyes through the retinae en-
ablinG them to De examined through the
pupils
It has ben found possible to cles-
weeds from the channels Of shaIIo.v
waterways IN Egypt. whzre they are a
great pest by equipping a motor boat
with an enormous pair OF shears or1r
atsd by belt from the propeller shaft
The requisite $50 900 has been sub
scrlDed 10 enable a party Of Scotch scien-
ISIS 20 ceIIy on extensive ocean0graph-
zeal work in the south Atlantic. and TO AZ
least partially explore the Antarctic con-
tinent
What IS said to be the largest candle
ever made viii be enshrined III tie bf~tE-
place Of Joseph Petr0sino the N-a7- Vol,
aetectiFe who was murdered in italy. II
weighs las pounds. ard IS expected to
burn nearly five years.