The hatchet. [volume] (Washington, D.C.) 1883-19??, 1900-05-27
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POPULAR . SCIENCE.


power from to electricity The city in great need of
rapid transit and the delay in the improvements caused
by putting down sewers, etc.
The suburban service between Paris and Versailles
operated by electricity Steam locomotives abandoned
and electric substituted The power station will be
equidstant between the two places.
According to Prof Bochers the manufacture of cal
cum carbide is utilizing power equal to $4,000 horse power
that of akaes and combinations of chlorine $4,000 horse
mower aluminium 81 600 horse power conner 900 horse
power, Carborundum, 1900 horse power
The telephone has proved very successful in the West in
places where different farm houses connected by wre as 1t
enables give each other timely warning of the approach
of amps 1t is also useful in of fire and sickness The
possibilities of the telephone in rural districts very great
curious accident occurred in Sheffield England. pas
senger rdnp doubledeck electrical and single
deck passed in the opposite direction The rope OF the
oly boom Of the latter flying in the wind and wound
itself around the passengers neck Fortunately he had the
of mind seize the rope with both hands and release
himself he would have probably been pulled from the car
machine has been provided cleaning shoes
The foot inserted into properly arranged opened and the
railing the machine is firmly grasped Asmal motor
rotary brushes that the mud The foot next placed
the backing arrangement proper which acts as the dauber
and the third set of brushes devoted to polishing One shoe
having been sufficiently polished the other foot then inserted
the first aperture etc needle on machine indicates the
the various stages in the operation The only precauton to be
obcered up the bottom of the trousers sufficiently
that they will not be caught in the rotating brushes
are being considered for an exhibition paint
ngs be shown New York in aid of the Naval Arch Fund.-
paintings be American works which exhibited at
that sufficient amount of be appropriated preserve
arch for year. and the of it assigned to the
Commissioner Of Buildings.
Plants containing hydrocyanc acid have been Investigated
with view Of determining the part played by this substance
the vital economy of the plant He concludes that Cyano
gen compounds transitional Substances from which plants
obtained their heterogeneous food materials At the time
when seeds begin SWELL long the embryo dormant
the bitter almond contains trace of hydocyanc acid
makes its appearance only IN the ste not IN the root nor in
the cotyledons.
Mt Blanc Observatory connected with Grands Muets
by telegraph and the naked wires permitted lie d
recy upon the surface of the glacier without any support
insulation The wires Irregular French stand
of galvanized ron and insulation used where
they came with the rocks The results of many
tests show that the insulation almost perfect The results
of these experiments while, perhaps limited in application
may be of much Importance in mountain exploration work
Prof Trowbrdge has perfected method of obtaining
rays The of electricity which have hitherto been
used in making photographs have been uctuatng making the
pictures of uncertain value surgeons Prof Trowbrdg
Cambridge has succeeded in getting steady current and the
pictures taken by his system remarkable for the clear
and distinct outlines Of the muscles and bones of the
70 all appearances discovery will be of the greatest
surgeons and in the study of anatomy.
Annteestng telescope has Just put position at Pots
dam is duplicate instrument, being composed of two
side by side the larger for Photographic purposes
and other be used usually and aid to keeping
the images stationary the plate during long exposures
The Photographic has diameter of 81 inches and focal
length of feet The visual objective slightly longer in
focus being Al feet and is 20 inches in diameter For this
instrument which will be employed determine the motion of
the in the line of sight by of the specroscope
special dome has been built
celebrated American suffered acuey for
twelve years from unknown trouble his leg The surgeons
did be able to diagnose his He finally went
Johns Hopkins Hospital at Baltimore and examina
young surgeons showed that the ameness due
diseased in the leg The patient tod that the
operation would be painful and in the nature of experiment.
as it had tried only before in France in which in
stance successful The patient refused to take anaesthe
tics he desired witness the operation far possible
The and the found to be diseased
and the patient directed the surgeons to cut out The
entirely removed the wound closed and in ten days the
patient was able himself and walk about the hospital
able go up and down stairs and walk half
mile at a time.
The accumulated files of newspapers have encroached
largely upon the space disposal of the authorities of the
British Museum The shelves occupied by London newspapers
alone exceed 600 yards in length while those devoted to che
provincial colonial and foreign numbers measure more han
g. 600 yards the total being close upon miles In single