Brownsville herald. [volume] (Brownsville, Tex.) 1910-current, 1914-02-14
MATTERS OF SCIENCE


WA lCnO UT OUlCVUC
SEgg, >fioi for >uriag >Ebmdrincs.-
a correspondents has furnished ~, with
u description - his plans Tor saving The
crew AZ a submarine that has sunk. In
consists q. an ~annular tank carried in "A
dcpr,, sion around tn hatch II the sub
marine. Ia whirh ~ connected a coil oi
air hose. The tink can bc released from
the inside ~ thu >ubmar ne. when ID will
rise To The surface and provide Il means
~ supplying mir "a the crew and cNen
a. forcing down sufficient mir ~ rNpcl
the water in caSe of damage ~ the hull.
thereby enabling tn, submarine "a IT,
iloaled 90 the surface.
The Toll ~ hs >sd-In spite ~ better
construction. more accurate charts and
the continued improvement Of lighthouse
service. the sea cond nuc> IA take AN cnur-
NOUS annual toll IN property anh lives
uf those that travel IT, surface. The mar
inc disasters ~ 1917; amounted ia MONEY
value a. 80 .mO.OnO ia British insured
ships AMI carg9c> that were totally lost.
On thu. Great Lakes alone. the storm nf
last November rolled up a loss 80 ~l.1nh.
uun. The above figures do MOI include
damages 10 ships ami rargp> that were
not total losses; for these. the damages
amount IL over =. Uun UuO.
Wright ~ Locomofirc "PHfiHq BILLY"
The Board ~ Eduration. south Ken
>ineton Museum. London has kindly fur
shell the following additional p~articr
lars regarding The celebrated locomotive
Putting Billy" whose centenary oc-
CURED last wear. The weight IT The en
.snc ~ working order wnS : tons q hun
drcrlw,ight. making a totl weight Of
engine and tender IN working order ~ L.
tons /. hnndrt4lwcirht. Al u speed nf five
miles an hour. Putting Billy" was able
a. haul about ~ tons. hut on occasions
n murh ~ ~ ton wa> hauled az = re-
du-d speed.
F~m,rgcHcB RHddcr ~ lroid Collision.
We have received from Mr.. George l.
Bell or Ctmbridgr Mass. 4 sketch ~ n
design for rudlcrS 10 hc used in the
event II a threatened collision. II con
Si>tS 10 two ruddcrS. attached one "n
each side If the ship just below the VIA
ter lime. which normally liz flush with
III. side az ilr ship and are provided
with oppTa. ng mechanism controlled
from The bridge whereby one or other
can hc thrown out o. produce a power
rul turning effect upon tho ship. The con
trailing gear j. such that the ruhdcr can
he moved oui 81 Idually through H. max
imum are W turning. and sudden violent
wrcnchine effects anon the ruddfr or it,
attachments 10 the ship prevented.
in.iLtr ~Taiicsi~ BriiiiHJ. Plans
have recently been fled with the Bureau
~ Buildings. tlt : city. for an ufirc build
ing which. on it~ completion. will hr the
tallcSi ia The vcrld. reaching 4 maximum
height Of >al feet q inches. The structure
j. proposed ~ be built on the book
bounded ~ i%iroadwa,. Eighth Avenue.
18th and 18Th streets. II will hr iiftN
one Stcric> l. Oh. with basement AMI ,uh
base mrnt. The facade viii IT, IVY brick
aud lirh; Slunr. and The design will br
~crlamgntrl following broadly the Goth
~ stale The huilding " ~ ~ built u, tn
Pan American State Association AMI The
lower i tu hc S%urmounted hy an allcgor-
zeal figure representing the Association.
The Ei,ctric Nal NagoRS recently
adopted u, the Vienna postal authorities.
SAYS the Electrician 0L%nulunl. have been
subjected "a i lest of :;l2.Juu ear miles.
~la>tin. over H. months Al the conclusion
Of this test H. van of > o y capacity
were placed ia service. Lead batteries of
4. cells are used having Il capacity If
gao ampcrr hours 20 4 ; hour rate. AMI
i maximum charging rate nf Gh amprrc>.
Th,. weight Of these batteries j. l. hun
drciwcighi. with = normal range Of ~
kilomctrr> 80 niles fully loaded. The
motors used have a maximum outnnt ~
~ horsepower. are series wound and arr
housed in The wheels. The garage j. par
iitioncl for each vehicle. and provided
iu It's base mpnt with charging equipment
For handling The batteries IN elevator
.i>cS l..pcaih the vans. 80 that The IL
charged batteries mar IT, unshipIrd and
replaced IN fully charged ones. The
kilugrammc> ~ - tonSi.
weight of each van fully loaded u $500
JohR HoILcr " ikiH,. v pioneer W tclc-
graphy in England. anh The first man In
the world L. transmit telreraphic :. gnalS
through space. died at Kingston nr
Thames on December 18th last. al the
age of III. When Mr.. wilkins was onl'
l. years of lgc. h. was appointed super
intcndrnt &C. the NORTHAMPTON and Peters
borough telegraph, And 4 few months
later. he became the q neral >uperinirmd
q the lines that hrd hcGn EXTENDED
from Hull io Flee wtpi aud from I;u-h
- NcwraSi' ~ WAS M thi> time tint W.
experimental with induction telrcruphy
HI Succeeded Nv >cnline messages irnm