Evening public ledger. [volume] (Philadelphia [Pa.]) 1914-1942, 1921-04-19
NOW MY IDEA IS THIS
Daily Talks With Thinking Phadephams on Subjects They
Knou Best

in Il few weeks would cease to give Sufii-
cicntly accurate information to enable him
to navigate his ship in safety.
Pilot Charts Monthly
'Pilot charts of the North Atlantic,
North Pacific and Central American waters
are issued monthly. Pilot charts of the
South Atlantic, South Pacific aud Indian
oceans are issued quarterly. These pilot
charts assemble all the meteorological re-
montS of the kind in which narigatorS are
Interested and nautical Information having II
direct bearing on safe and speedy nuvi-
cation, such AS ocean tracks. trade winds.
wind ana current, storm and rain, lines of
magnetic variation, ice observations. radio
stations and other useful information.
This publication is greatly in demand
by all navigatOrs, and is highly praised by
all
1T requires about 1000 different naW
gatOnHl charts 10 cover the navigating
waters of the globe. \ comparatively few
nations have surveyed and produce these
charts. Great Britain leads in this work,
aud our shipping has to depend on her for
about 200 charts. The Coast and Gcodetc
Survey produces about $50 charts. These
charts cover the territorial waters of the
United States. The hydrographir office SUR
yeyS and produces about 212O. which cover
foreign waters and the high sens.
1t Is the duty of the photographic Office
70 supply complete sets of charts to our
naval vessels, getting them from its own
supply, coast and gcodetic, and buying
others from British chart agents. The
photographic office furnishes to authorized
agents for sale ut cost its own publicutiuus
and usually these agents also have on sale
at cost tn" cOaSt and gcOdctiC survey charts.
In connection with the navigational charts
the navigatorS must be supplied with light
lists which give n detailed description of
the lighthouse structure. etc, of the bower
and character of the light itself. Of the
power and character of the log signals, etc.
Sailing directions must also be- supplied.
They cover much Information that is i'm
possible To show on chart, such ~ the
general wind and weather condltions cur.
rents and the resources Of the different
ports.
Guide Book of the Seas
The sailing directions are To- the mariner
what IN" guild" book is to the Traveller on
land. Each branch office has IL complete
set Of these sailing directions for public
use and shipping interests.
All principal maritime nations maintain
photographic offices under the jurisdiction
OF navy departments, and in the summer
OF 1919 AN International photographic con
f"r"nc" was held in London, and from it
has sprung an International IIydrogruphir
Bureau
This country has not as yet signitcd It's
union with the others IN his bureau. but
III" matter is now before the government.
IL Is Ir0bab" thnt an Acknowledgement Of its
intention to unit" with the burcuu will h,
made soon. This bureau win establish close
ana permanent aS>UCiHtiOn between HYDRO.
graphic services to CO-urdiuutr their effort,
with view to rendering navigation easier
and safer in all the seas of the world
Mariners are requested to send infur-
nation 10 III" hydrugruphiC office or lis
branches Of conditions encountered ON their
travels, d"rrhCtS or ether obStruCtiOus
sighted, currents encountered, facilities nC
ports visited or other Information of mill
tary or commercial value. Blanks are fur
hlShed for this purpose by the branch
"ihr"S' Most mariners and shipping inter-
cstS avail themselves Of the coutinuous
ShrTlC" and Information furnished hy tLr
'hydrographr Offices. Those who do NOT
should and are invited TO take advantage
Of the SrrviCr.'
tn" hydFographi" office in PhIadcphiu i,
lorAt"i on th" main floor Of the Boursr.
adjoining I'll" Maritime Exchange.
Lloyd Georges contention that lr is
neutral in III" Turro Greek rumpus sup.
costs that neither side is going to win nnT.
thing,
Not a few North American, rcuruhcr
Bolivar as IN elephant. Farther south on
this continent 1t is II true Colossus, thut is
recalled,
So far as Germany is concerned j,
looks as though the end Of April viii be
followed by the month Of Must.
What is so rare as spring day In the