Richmond times-dispatch. [volume] (Richmond, Va.) 1914-current, 1916-03-06

'hc last T"nr was banner one for
wireless telephone advance ONLY "a
tc" weeks ago. Secretary Daniels do
ilvcrcd the first naval order to 90 inv
wireless telephone, from his Office III
The Navy Department in WASHINGTON
10 Admiral Usher at tho BROOKLYN Navy
Yard
In the field OF wireless telephony. The
United states has been q loader from
tho beginning. a. far back as l1oS
Professor Fcsscndcu. OF Massachuse,te.
reported a successful communication
between his station IN mat state and
washington II. G. aud "a year b"for.
That he had talked with Jamaica. y
Last year, Dr - =. McCaa Of Lam
caster, Pa equipped q COastiur steamer
with telephone OF his own coustruc-
t!on by which he talked to "thcr ships
and 20 shore stations at distances rang
ing up to 80 miles Tho climax g.,
the year. ana or all wireless tolopl on"
work, was the communication bctw CON
Arlington. near Washington, y g. san
Francisco, Paris, ilawai and tho 18TH
mus of Panama.
I Wireless telephony. besides ohyi.t-
ing The difficulty and expense of string
; ing wires has the ndyautas" over til"
ordinary system that & transmits tn"
voice without loss Of tn" shades %:
articulation. Before ii can bc pcucr-
! ally utilized comncrcially. However, ~
" ll' ic necessary 10 ''Ntibr TIC gen
Grating and modulatory instruments
until conversations can ho held over
| 900 miles or more without failure on
account OF fatigue of the apparatus. or
through atmospheric or other intcrfcr-
! cnce. Interference Is & frequent cause
! OF difficulty in al sorts OF wireless
! work. In this connection 81 may 10"
noted that the n"w wireless direction
. Under is less affected by atmospheric
/ disturbances and Interfering r:tdin-
tons than IS AN ordinary receiving APP
! paratUS.
RcguInt"d by Governments.
I In order 10 prevent Interference
with commercial and official messages
an act OF 1912 provides that all wire
| less stations must I've under inSI,cC-
ton by the Department Of Commerce
| The inspectors regulate the wave
: lengths sent out ~ amateur stations
50 that they VIII not interfere with
/ wireless business. An instrument
called a wave dccr.mctcr was designed
by the Bureau OF Standards 10 make
TIA. wave measurements Nm amateur
station may only shift the specified
limits OF its wave length when send
ing signals OF distress or messages re-
latinr thereto.
The United states is divided into
min" radio inspection districts. with
headquarters in New Orleans. Chicago.
nah. Cleveland, San Francisco and
Seattle. Thanks 20 the perfection "f
tho dccrcinctcr, the American system
Of radio inspection is the most GILL
cicnt In the world. TWO improvements
in Tho instrument have been perfected
and viii soon be in general use. one
is a more portable form. designed 10
facilitate the inspection OF ships wire
less. and the other is a combination
OF the decrcmctcr with receiving ap-
paratus and transmittcr.
Radio stations under construction
will put the United states in direct
communication with all the moro i'm
portant OF her insular possessions !
new station 1t Pearl ITarbor. Hawaii
| is being built; communication is al
! ready established with Honolulu \
station at Cavitc, in the Philippines
will be completed within the year
| Messages have already been received
! at san Francisco from Japan a dis
lance Of $500 miles. showing tho prac-
ticablity Of connection with the Phil
ippincS. Improved connection with
Japan is looked for in the near fiji
ture. as only Japan's participation in
the war set hack her plans in that
direction.
! The dominant place OF the United
| states in wireless work is one that the
country should be proud Of and make
| every effort to maintain. The govern
incnt experts. the commercial COM
ranics and the unattached scientists
and inventors who specialize in this
! line. taken together with thousands Of
amateur enthusiasts, make "a uniouo
combination that is capable of accom-
| plishinS great results either I'm war
| or peace.