The Nezperce herald. (Nezperce, Idaho) 1900-1957, 1922-08-24

adding anything to the efficiency O
set.
That variable grid-leak can b,
made with pencil marks on papel
and may be altered by erasIng or add
ing lines.
THAT some tubes are best for de
tectors, others for application an,
others for transmitting or as osciI
lators.
That it is often cheaper to bu,
ready-made accessories than to max.
them.
mat all Joints in wires Except In
bindlng-posts) should be soldered.
That the ground connection should
be soldered to water gas or similar
pipe or to large copper plate buried
In the ground.
That the steel girder or frame of a
building makes good ground
That sending or transmitting sets
must have license to comply with
the law.
That the fire departments have spe-
cial regulations regarding the installa-
ton of aerials.
Ihat an aerial cannot be placed
across street without permission.
That aerials do not attract light
ming and If provided with gap or
lightning switch are perfectly safe
That the best In the way of ma
terials is always cheapest in the end.
That when using a sending set the
low voltage should be turned on first
or the tube may be ruined.
That in a sending set the battery
should always be turned off from the
phone circuit when not in use.
That sending set is always better
with counterpOise than with
ground.
That 1t does not pay to try to make
certain instruments.
That while wireless telephones are
so easily adjusted and simple child
may use them, they are also very deli
cate affairs and are easily put out Of
adjustment or ruined by carelessness.
That you must not expect too much
Tor your money in ready-made or home
made sets.
That set may. act very differently
IN different days or under different
conditions.
That you should not condemn your
Instruments until you are sure the
ault is not in yourself.
That lOnco oonnoof;a,c ,aao,. inctrla.
ion. poor ground, poor joints in wires,
worm insulation, wires crossing and
many other small matters may put q
ct completely out of business.
That you can seldom improve upon
ready-made set by adding anything |
0 it, but can do better by building a
ew set.
That every accessory or piece of APP
aratus is made for specific purpose
nd that you should consult the manu-
acturers or dealers as to the best for
our purpose before purchasing.
That the most expensive sets are
OF always the best, as oftentimes
nish, cabinets and elaborate fittings
id to cost without increasing efiici-
ncy.
That while receiving set may be
JADE to go inside safety match box
lch things are merely toys and are
OF for household use.
That when a dealer advertises that
cheap set can receive signals from
certain distance, be sure to find out
he means code signals from radio
Geographic stations or sounds OF
1fces, music, etc. No one can guaran-
e how far set will receive as too
any outside factors influence this.
That like everything else each and
rery maker claims his sets are the
EST. Investigate several before buy
g.
That anyone with the least me-
lanical ability can build wireless
lephone sets If they purchase the
lrts which require special knowledge,
ill or devices for making
That the prices of most sets do not /
clude batteries, tubes or phones. !
That a storage battery must be re-
,arped as soon as it becomes weak
your set will not work.
That the vacuum-tube is one OF the :
ost delicate devices ever invented {
ID should be treated accordingly. {
That no license is required for re- L
living sets and the air is free to all =
no want to listen-in.
That all broadcasting stations pub !
III their daily programs.
That the worst interferences are tne
arbv sending stations. SO don't ada :
others troubles by sending unless
n have good reasons or are sincere {
your experiments. !