Telegram-herald., 1889-09-10
rzll speed astern
- ! an sclag to stsg board
- ! az gang - pert

Tie best - a. fos q znzls s rss siren
~o-ck c41 e Heard c-sL41ee OF
twenty-five niles u is however. go
rc&tero-as Al 4rzT and rec -lres 10
heavy ulac1sasTy - e Used - = vessel
e. u is generally "a lgas1c-se -
lad sta-lea
V1e s0Fy Ingenious lDFeur,cn which
~1ll b iaid before tbs Conference Ter
consideration Is cl5ck % os lse1 IA
eoanscslon VII fog signals u works
On tas s-0p-~atcl prluci PIE. sna = 1e-
s-Zutt - measure t1s distances te-
tsce- Fessels b. recording Ehe Humher
e seconds gh4t elzpss between the fos
slgnA- blown ~ each vessel Ih1s.
suppose t@o STEAMERS or sailing vessels
4Ts IA heavy fog 81 the BANKS II
Ns~fo4ntl and. tie esptsia " one ses-
eel blows his tog whistle and sim al
raneCus-y so1cnSs the ciock b1tLoas
= len be hear the aasweFing toy signal
from t1e otler vessel he ag4ln teaches
Tie cl4ck AMI Is instantly st0ps TICK
Ing. IAe dial reeords TIE u4moer u
seconds ttar have elapsed between the
signals. sound travels A. the rate u
LOO ie-t = second and this number,
multiplied bg ths number u seconds,
gives the distance between The t~O yes
signal - nos blown for a fal minute,
when is starts again and the clock ticks
simultaneously AT sbe response, II i
stopped As be ,cre, and ov The same
calculation, the captain is enabled 10
tell whether the distance Is decreasing
or increasing, and Viii regulate his
speed accordingly. II increasing. then
he can proved 10 full speed. bat II de-
creasing, be VIII Instantly signal tho
other vessel again ana viii change his
course 50 Is 70 give IL wide berth.
Mr. \. II. BOrgfeldt. Of brooklyn, i the
inventor OF the clock Ii has been
examined hy mum Der OF gentlemen
intereste IA maritime affairs, lnclud-
ing Captain Cowles OF the United
States Steamship Dispatch. Lieutenant
Blow OF the photographic ONCE
and Captain Ambrose H. Snow OF
Washington. but none Of these gentle
men have tested its efficacy at
sea Sea-gOing experts believe that its
success or failure as an experiment.
would depend a good deal on the
promptness OF the response and they
are not prepared 70 say whether or not
sound travels with the same velocity
through a fog that 1t attains in the
clearer atmosphere.
AuCtuer system Oh signals which may
he discussed by the Conference is that
invented by Mr.. John Latham, and is
designed 10 enable two ships TO let each
other know their position in fog.
The same inventor has an addition TO
the code for tho use OF the vessels in
distress. by which they can let passing
vessels know the nature of the trouble
and whether they are in need OF as
sistance
FOR some unexplained reason" said
Mr.. ID. l.. Bradley, editor of the Ma
rine News" the illustrated code signals.
showing the flags which were issued
from the Government printing Office at
Washington, have been allowed to 20 out
of print and for year and half, cap
tains of ocean steamers and sailing yes
sells have been unable TO secure the
flags IN this country They have been
compelled TO buy them in England 1t
IS strange oversight that such thing
should not have been remedied earlier;
but expect that after the Conference,
the Government will print enough code
flags TO meet all demands"
DAVID WPCHsTFR