The hatchet. [volume] (Washington, D.C.) 1883-19??, 1900-06-24

In the Scientific American for February a. 190O illus
traed the remarkable twins Rosana and Maria who both
Joined together in much the the Samese twins
An operation recently successfully performed upon them
at Rio Janeiro and they were cut apart
The Brooklyn Institute of Sciences broken
ground for the central section of the Museum the Eastern
Parkway The section will have frontage of 140 feet
the Parkway and depth of 22 feet 1t will be four in
height the ground floor will have auditorium capable
seating 1880 persons
new specs of pee has been discovered on the island of
Sandwich Islands by Stanford University graduate
Mr. A. Sear4 He has also found the island new
species of gull He is going to Guam explore that island
and make collection of birds and fishes for the famous
Bishop Museum OF Honolulu.
section of the tree which was over David Lvingstone's
grave has received by Royal Geographical Society
London and placed with the other Lvngone relics in its
possessions An iron telegraph pole marks the where
the great African explorer beahed his last The huge block
of wood carried the shoulders of the natives from the
heart OF Africa to the coast
The curved pages of ordinary book injurious the
Mr. F. g. Murphy shows that the curved page
change of the focus of the eye it reads from side
the other necesatng continued effort the part of the
ciay muscles The light also falls unequay upon both sides
further interfering with continued clear field of vision He
therefore, suggests that the printed lines parallel with the
binding instead of right angles it, that all parts of the
line would be at equal distance from the eye and be equally
lighted
The National Academy of Sciences of the United States
the Of Columbia University that the
Barnard medal for meritorOus service science be given
Prof Roengen for the discovery of the Xrays The award
will be made at the Commencement of the University June
The gold medal established the of the
will the President of the University the late Prof
A. Barnard 1t is awarded every qunquennia period to
any who shall have made such discovery in physical
astronomical science the Judgment of the National Acad
Sciences shall be esteemed most worthy of the honor
For several months passed experiments have been conducted
at Sassari in Sardinia by DR.. Ferm Dr. Cossu Rocca and
umbau for the purpose Of ddng that of the pests
mosquitoes with which it is The doctors eectuay
destroyed the larvae by distributing quantities of pero
eum the swamps and other spots where the insects Bred
the MOSQUITOES extermnated by other power
it possible free invested with mosquitoes by this
means provided it is not too unfavoraby situated It an
economical remedy costing only about $3.50 per for
possessing population of about $4,000 inhabitants
The Nuova Cimento contains interesting article by P
GAMBIA giving the result of his experiments upon the elasticity
of marble Plates of marble were impregnaed with different
ouids and The experiments car
red with water by drying the marble may be slowly
brought back to its original condition. the of deforma
ton being the before and after the action The deoma
ton greater for the wet plate and the residual effect is also
greater there thus considerable increase in the exibty
of the marble OIL gycern, and solutions of parafn give
similar results although the marble cannot be forced from the
liquid brought back to its original state with
Petroleum. however, difference in the hexbity
Glycerin gives the greatest effect
Every soldier the British Army carries in his haversack
what is known the Emergency Ration This of
small tin cylinder similar pocket spirit flask divided
into two compartments One of these is filled with
cocoa paste and the other contains similar quantity of
cenated beef pemmcan As title implies the ration not
TO be used except the of direct necessity and if
sumed small quantities it will maintain strength for thirty
six The tin has to be produced at parades and daily in
pecons and the soldier who does not display his ration
severely dealt with The tin must not be opened
count except by order of officer The ingredients may be
either spread upon biscuit like butter boiled up
or soup Each tin contains sufficient quantities of the food
stufs to make four pints of each.
system of eegraphy by which signals transmitted by
means rays emitted from lamp has been invented by
Carl Zickler of Brunn Austria Rays of short length
mostly violet rays made Of says the Western
Electrician These rays out from the sending station
at intervals corresponding those of eegaphic signals and
in the direction of the receiving station where they produce
weak waves by which the signals made visible
sparks or made audible by telephone eecrc BELL if
preferred may printed by Morse apparatus The ser
Gus objection to the apparatus however said to be the lack
of speed for SO far it has been to arrange trans
words a minute.