The Idaho recorder. [volume] (Salmon City, Idaho) 1886-1927, 1922-06-02

tlculur direction. ms discovery WIZ
remove the objection that conversa-
tions can be overheard by those for
whom they are no. Intended.
The only commercial use for which
wireless telephony has so far been
sanctioned In this country Is that of
establishing communication between
the Bar lightship In the Irish channel
and the offices of the Mersey docks
and harbor board In Liverpool. In
| tercommunication Is conducted almost
every hour of the day with this ap-
paratus by men who have had no spe-
cial training, and without any inter
ference with the wireless service con
Quoted at the mouth of the Mersey by
the Seaforth station belonging to the
British post office. 1t Is absurd to
think that this Is the only place
where useful service can be per
I formed by wireless telephony.
need hardly dwell on the growth
Of wireless telephony In connection
with aerial communications. be-
lleve l am right In stating that every
British machine regularly flying be-
tween London and the continent has
been fitted by the Marconi company
with the wireless telephone. and we
have numerous instances where these
Instruments have contributed to the
safety of the services. and performed
} other valuable functions.
We have also demonstrated to one
of the railways the possibilities of
wireless telephone communications as
= an auxiliary TO the ordinary telephone
: lines, and II may be that now govern
r ment control has been removed from
railway operations, some progress will
= us
n have suggested that the day has
n not arrived for the so-called pocket
y wireless set. The sensitiveness OF
e wireless receivers has been so greatly
e increased in recent years that IL is
o possible even now To possess portabl,
n apparatus capable of receiving sl~nal.
y from hlgh-powered stations many hun
y dreds of miles distant. but this Is Quit,
h different matter from trunSmittin.
d signals, For wireless transmIsSlons 1
y is still necessary TO raise wire
'e considerable height above the trans
n mltter, and IL serious distances aayr
Ie to be covered IL Is also necessary I,
- have n source OF electrical powe
70 greater than can be at present con
IN venlently carried by an individual
ID How near we have approached tn
he ideal OF portable transmltter wa
re demonstrated by the Marconl CON
n pany few months ago when the Lor
m don fire brigade conducted wireless
4 telephone communications between
IT. one of their tenders on Putney Feat
and their headquarters at Southwark
ne "A distance of some seven or eigt
tn miles. In this case the aerial wire wa
u. hung from the branches OF a sma
~ tree near the roadside. and the n,
", paratus employed was stored in
In small space at the back OF the vehicl
sc One thing Is certain. the science ,
Of wireless telephony viii not stand stil
mt Like the 'rlinary telephone. il Is pas
nd ing through period when it lacks of
ciai encouragement. and Is depen,
IN. ent for Its salvation entirely una
he those who are engaged In its deyelo
IS ment.
be In 20 years the mysterious all-pe
ri. vading ether will be surging with h
try man speech conveyed by ether wave
os- whispered conversation with frien
ar In lands as remote as Australia W