The morning news. [volume] (Savannah, Ga.) 1887-1900, 1889-08-22
ELECTRICITY.
Some Interesting Facts Brought Out
in Questions aud Answers

Some Interesting Facts Brought Out
in Questions aud Answers.
Scribner's Magazine, which year ago
published a series of articles on railways
which gained wide popularity, is now pub
fishing a series on electricity, the great and
undeveloped force which is so fast revolu-
tionizing old methods and processes.
Scrfbner'S methods of extracting the
largest amount of information on any given
topic, are at once striking and effective. In
connection with the special articles illustra-
tive of the topic in hand, all of which are
contributed by eminent students and ex-
perimentalists in the special line IF thought
under discussion, there are published twenty
questions, which, with the accompanying
answers, cover in general, the entire
field of inquiry. Thus in the treat
ment of electricity, in addition to papers
covering the subject of ELECTRICITY in the
Service of Man." 1.-THE Telegraph of
To-Day" ELECTRICITY in Lightning"
Electricity in the Household, i" ELECTRICITY
in the Human Body" Electricity in War
fare" and the Electrical Railway there
are twenty questions which, with their
answers, throw food of electric light on
the entire question. They are in the follow
ing order:
Q.-How strong a current is used to send
a message over an Atlantic cable? A
Thirty cells of battery only. Equal to 80
volts.
Q.-What is the longest distance over
which conversation by telephone is daily
maintained? About $50 miles, from
Portland, Me-, to Buffalo, N. Y.
Q.-What is the fastest time made by an
electric railway! "A mile a minute by
q small experimental car. Twenty miles an
hour on street railway system.
Q.-How many miles of submarine cable
are there in operation? A-Over loo, 900
miles, or enough to girdle the earth four
times.
Q.-What is the maximum power gener-
ated by an electric motor7 A-Seveuty-
five horse power. Experiments indicate
that 100 horse power will soon be reached.
Q.-Row is a break in submarine cable
located! A.-By measuring the electricity
needed to charge the remaining unbroken
part.
Q.-How many miles of telegraph wire in
operation in the United States? A.-Over
100000, or enough to encircle the globe
forty times.
Q.-How many messages can be transmit
ted over wire at one time? A.--Four, by
the quadruplex system in daily use.
Q.-How is telegraphing from moving
train Accomplishment Although a circuit
from the car roof inducing a current in the
wire on poles along the track
Q.-What are the most widely separated
points between which it is possible to send
telegram! A.-British Columbia and
New Zealand, via America and Europe.
Q.-How many miles telephone wire in
operation in the United States? A.-More
than III, 900. over which ,055 600 messages
are sent daily.
Q-What is the greatest candle power of
arc light used in a lighthouses? A.-Two
million, in lighthouse at Houstholm, Den
mark.
Q.-How many persons in the United
States are engaged in business depending
solely on electricity? A.-Estima ted, 25O,
900.
Q.-How long does it take to transmit a
message from San Francisco to Hong
Kong! A.-About fifteen minutes, via
New York, Causo, Penzance, Alden, Bonn
bay, Madras, Penang and Singapore.
Q.-What is the fastest time made by an
operator sending messages by Morse sys-
tenn! About forty-two words a min
ute.
Q.-How many telephones are in use in
the United States! About 100000.
Q.-What war vessel has tho most COM
| pleUe electrical plant? A.-United States
man-of- war Chicago
Q.-What is the average cost, per mile, OIL
q transatlantic submarine cable! A.-About
| $1,000
| Q.-How many miles of electric railway
are there in operation in the United States
! About 400 miles, and much moro under
| construction.
| Q.-What strength of current is danger
Gus to human life! Alive hundred volts
but depending largely on physical coad :
! tons.
These questions and answers not only in
| dictate the general scope of the inquiry bu
much information of general public utter
est and Importance. Such an Investigation
and It's results cannot fail to be Of value.
Notica 70 CoD+roc+ors o,d D,,i,,so,z