Pittsburg dispatch. [volume] (Pittsburg [Pa.]) 1880-1923, 1892-09-04
assay Office is in New York; the others are
at St Louis, Boise, Denver and Helena

What is the largest hospital in the world
and where is it7 HoSPITALLER.
Probably the Hospital St. Louis in
Paris, which has 1872 beds. 1t was founded
by Henry ". (Henry of Navarre) in 1904
The second largest hospital is the London
Hospital, in Whitechapel road, with over
300 beds. The third largest, or possibly
the second largest, is the Hotel Dieu in
Paris. with over 800 beds. 1t was founded
in $50 by Landry, Bishop of Paris These
hospitals are as large as any single hospital
ought to be, but in the last century some
hospitals held greater number of sick
than these. In the Hotel Dieu most of the
beds were intended to hold four persons,
and sometimes six were crowded into them,
and in 1773 this largest hospital held more
than 5000 patients.
What salary does the Prime Minister Of
Great Britain receiver ANON.
No salary is paid to the Prime Minister
as Prime Minister. The head of the British
Government always holds some salaried
Office. Lord Salisbury holds office as Secre-
tary of State for Foreign AffairA Glad
stone prefers to hold the Chancellorship of
the Exchequer and the other Prime Minis
ters have for the last hundred years or so
held office as First Lord of the Treasury.
The higher ministers receive "a. 500 or
e5, 900 q year and q house in Downing
street. So it doesn't matter which Office
they take for themselves
What do the electric light companies
mean by the "ampere-hour?' CONSUMER
The "ampere-hour" Is the unit by which
electric light companies measure the guam
tity of electricity supplied to consumers.
Different lamps requi re different currents of
electricity, thus an ordinary 16-candle
power lamp on a 80 volt circuit requires
about 1 ampere, 25-can die power lamp
will take about ~ amperes and a 5O-candle
power lamp about amperes. The 16-can-
die power lamp burning for 60 hours would,
therefore, require ampere for 60 hours, or
go ampere-hours. A 5O-candle power lamp
burning for 20 hours will consume 8 am
peres for 20 hours, or 60 ampere-hours. Ten
16-candle power lamps would require 10
amperes, and if they burn for hours the
total supply would again be 80 ampere-
hours. Sixty lamps burning for 1 hour
would give the same result The ampere-
hour is, therefore, the equitable basis of
charge by the electric light companies, as it
is a measure of the total light supplied.
The ampere-hour is not an exact measure
of the energy supplied to customer, as the
number of volts pressure at which it is sup
piled must also be taken into account. This
may be illustrated by having two 16-candle-
power 50-volt lamps Each may be connect
ed directly across the circuit so that the cur
rent through one lamp does not pass through
the other lamp, and the total current taken
from the circuit, if each lamp takes one
smpere, is two amperes. These lamps in
burning one hour would therefore register
on the meter two ampere-hours. The two
lamps may, however, be connected in series
so that the current through one passes also
through the other. If lamps connected
in this way be Joined to 5O-volt circuit
they will burn at dull red; with this con-
nection 100 volts will be required to send
the current of one ampere through the two
lamps in seriea The registration on the
meter will be but one ampere-hour, when
the two lamps have burned for an hour.
The current multip piled by the pressure, or
electro-motive force, is the same in each
case, that Is, for the first connection am
peres multiplied by 80 volts, or 100 watts,
and in the second case ampere multiplied
by 100 volts or 100 watts. The number of
watts represents the actual electrical supply
of energy. In ordinary service, therefore,
the charge for an ampere-hour at 100 volts
is twice as great as the charge for one am
pere at 30 volts, because the number of
watts supplied is twice as great in the first
case.