The Washington herald., 1909-02-28

OF q Munich engineer. who refused an
ofter from Russia until his own country
had had a chance 10 try them
The former homestead or Alexander
Graham Bell. az Brantford. Ontario, VII
be acquired as a public park, in which
viii be erected a S5,000 memorial nonu-
ment
Mining has been followed In the British
Islands for more than 200 years. the
English coal mines Of to-day represent
ing the highest development OF that in-
dustry.
Surgeons OF the Rockefeuer institute
claim % have successfully replaced an
injured knee with one taken from an
other man who had died as the result
Of an accident.
The japanese government Is wsging
successful war on rats BY paying for
every dead one brought IN. and giving
each rat slayer a ticket 10 a lottery with
valuable prizes
To secure a perfect balance. a new re-
fiecting telescope OF large size at Har-
ward University Observatory has been
mounted upon "A float in a tank of water
Instead OF upon pedestal
= dredge that Is being buiIt for use
about the docks in the River Mersey.
viii have two suction pumps. each forty
tao inches in diameter, which VIII be
able to work at depths % seventy feet.
: French scientist has made the dis
quieting discovery that disease germs
can be transmitted By bread-makers
through their product. the heat OF bak-
ing being insufficient 70 XIII them
BY means OF extremely delicate in
struments il is possible 10 measure the
heat transmitted 10 the earth BY the
moon or the temperature Of the body Of
a fy walking over the instruments.
The British navy includes IS armorsd
ships exceeding 9 knots IN speed, n ad-
dition 70 Is unarmored ones Three OF
the former are rated as better than a
knots. and three Of the latter al 3.
A stope driu Of American manufacture
recently won the prize offered by the
Johannesburg Chamber Of Mines for the
best all-round invention for use in min
Il Is said to cave the labor Of four
men
4 popularity Of the devil FISH is that
,lt does not lay thousands or millions Of
eggs az time. but normally produces a
single young one st a birth and nogTishes
II In the fashion OF mammals.
a long series Of experiments has dem
onstrated that the air OF cities is more
humid than that OF surrounding suburbs.
despite the fact that the heat OF TIE
former would be supposed to dry the at
mosphere-
At the home OF Torricelli. the inventor
Of the barometer. in Italy. a novel monu-
ment has been erected in the form Of a
huge barometer in which a column of
olive oil normally stands al a height OF
thirty-seven feet
An egg beater which can also be used
as an ice cream freezer and a churn has
been patented. To the lower end OF the
dasher is attached perforated tin cone.
through the holes OF which the matter
10 be beaten in forced.
On the basis Of a busheI OF corn pro-
duciag % gallons OF alcohol Il has been
figured out that last years corn crop in
the United States was sufficient 70 fur
nish 20.0oo.00O horsepower for ten hours
a day for an entire year
A clock may be thoroughly cleaned
without taking apart by laying on its
floor a piece OF cotton saturated with
kerosene. the fumes OF which within
three or four days viii loosen the dust
and lubricate the bearings.
A permanent national exposition al
Madrid. FOR the promotion Of which an
organization has been formed in Spain.
VIII have for one Of its chief objects the
stimulation Of scientific methods IN
agriculture and manufacturing
Louisiana is estimated 10 waste R.n00-
600 cubic feet OF natural sas daily, more
than one-twentieth Of that consumed in
the United States. and the Secretary OF
the Interior has withdrawn from entry
6. 800 acres Of natural gas fields.
To avoid the troubles besettinz com
passes on steel ships, the metal OF which
defects the needle. a German inventor
has dsviced a needleless one IN a form
Of gyroscope, the axis OF which always
adjusts Itself parallel TO the earth's axis.
A new stop watch has been brought
out for the Use OF physicians and nurses
in counting pulse beats. The pressure
OF a button starts it and another pres
sure steps Il and marks the tine when
a given number OF beats have been
counted
Leather may be dyed brown by a
solution OF five ounces OF fustIc. one
OF hypernic, and half an ounce OF log
wood, all extracts, 20 twelve gallons OF
water. with a mordant composed Of three
ounces Of white tartar snd four of alum
in ten gallons Of water