The Montgomery advertiser., 1909-12-23

| correspondent who has a personal interest
in the Paris-London voyage. to make inqui.
ries as to whether there was any chance OF
such dleay Detailing the Clement-Bayard-
She Is to start from Paris at night with the
view Of reaching The Daily Mail garage at
NORWOOD Scrubs next morning. How IL
she lost her bearings and had to circle about
| in the north of France, awaiting the late
Let IL be said at once that there is
fear of the occurrence OF any such mishap.
1t will be guarded against by the use of spe-
oal compasses made by Messrs. Kelvin and
White, who make all the compasses for the
British navy, With these very accurate bear
ings can be TAKEN and In addition, the an-s
gle of any object below the horizontal can
be noted.
Bayala should lose his position 1t may
be assumed that he would know It within
ten miles. Very we'll he would choose some
conspicuous light by knowing the angle OF
depression and the height OF the airship.
After steering an accurately known course
for few minutes he would repeat his OBJ
seryations with the same light The line
joining these two positions which he has
Just fixed would eve him s his Flses course course
| in the direction or his destination, He
might be any distance up to ten miles OF
his true route, but this margin on doubt
would not be increased.
The object of the airship when It leaves
aFls Wi, ,h 1e 70 ..n nre ies etsr side
of Treport all VIII be plain sailing. At what
distance inland the coast lights will be use-
now being made But as soon as the coast 10
reached the lights vii enable the channel to
be crossed without difficulty.
1t is when the channel lights come IN run
view that the navigation will be taken over.
from NJ. Clement by Lieutenant Osborne X.
N. the officer who is experimenting the
construction at Barrow Of the first rigid
naval airship for Great Britain. He rs the
best type or young Englishman,-cieyer. en-
ergetic, fuil of ideas. yet, quiet In his meth
DDS. modest and unassuming, always eager
to learn.
For years he has been petitioning the admi-
rally to work in connection with airships
He began to be interested in the conquest
of the air when he was a boy, and as g.
mildly used to make aearoplane. expert
ments before anyone had built flying ma
chine which would fly. Hs has studied the
whole subject scientifically He Is versed
both in theory and in practice. In the navy
he is very highly thought of, and there Is no
doubt that M. Clement has copfidence In his
ability. The famous French aeronaut wSu,a
he could not place his full trust.
In front OF him upon the piots oridge
will be a number of instruments There are
| two pressure gauges for the gas bag ana
two for the ballonet containing ar ihere
is an aneroid barometer, which REGISTERS
height, and there is an infinitely deilcate APP
paratus called the statoscope, wnlcn SHOWS
| Instantly the angle Of sun or star above the
HORIZON or above an artificial horizoni ana
there may also be perfected compass Whlchs
will enable the downward angle of Its nee
die TO be read accurately so that the exact
latitude can be obtained. ~,
Compass needles II left to themselves, VIII
always point downwards in a northerly di-
rectIon The angle at which they point
downwards corresponds to the latitude, put
IL is only just that accurate readings
of this angle are becoming possible. rms
will of course, be a great aid to aeronauts
II they know their latitude and Longitude
they know where they are. constant exact
knowledge of latitude. would al any rate pc
halfway TO perfection. Navigation OIL the
air would become far easier than 1t is at
present.