The Indianapolis journal. [volume] (Indianapolis [Ind.]) 1867-1904, 1897-12-26
HOE WATER FROM LAMP POSTS.
An Invention for Utilizing Waste Heat
Uses to Which 1t May BE Put.
London Telegraph.

LONDON 1eleSTdpH.
The developments of the "penny-in-the-
slot system have been many and diverse;
but none has appealed to quite so practlcai
a demand as one shown recently TO an III
vited company at the Crystal Palace.
which. if realizing one-quarter, even, OF
the claims put forth on its Denalt, VIII Ell
feet little short of revolution IN WorhlHs-
class domestic economy. In the IeWest
nossible words, the problem has been
worked out of utilizing the neat generaeetu
by the ordinary gas lamp Oh Tue 20 Nit
ine. point and an influential syndicate mas
been formed to turn to useful account
discovery of so many posslola5lleeoo 300 ;s GU
pended annually on the gas illumlnationS
of the London streets. and IL is urged tnaC
If the heat OF only o no 'i less than
100 COO 900 gallons of boiling water coulu pc
made available at a commercial pront S a.
cost of a half-penny a gallon TO the puDnc.
The idea, it should be explained, has been
carried far beyond the merely tneoretical
stage For the past four months there G.'s- naS
been in full working order at the 1854
palace an exact model of an ORDINARY
ssstreet refuge" lamp of SIX gas getS' WHICH
has supplied as much as Iz9 galiIo9IlS uaily
Of hoiIing water to the stall holders ana
frugal excursionists glad to be apis 10
make their own tea. The idea mas pee1
brought not only to the notlce on anu
abortion by various important province
vestries. as those of Liverpool and Nottng-
ham. but to that of st. Martln-ln-the-
Fields. London, who nave n1Ia tho,, eo antie-
inate that quite half the present cost OF
Illumination will be saved TO the rate
payers. Among the numerous eis tho o,, viz
men of several public ana sanila a; pos'io 20
in this country, as well as the olrecIor 3l
the Municipal Council OF naples. OolSl ~.
erebIe alteration and adaptation Will be
necessary to turn existing lamps 70 a.
count, but it was emphaucaily promlseo
Sro,,lA he in full working order on Trafal-
oar square, and before ChrlStmas ~ lea5t
= dozen would be available IN Lon1on; II
is Intended to place side by side with them
a,itomatic machines for the delivery OIL
half-penny and penny packets OF Tea, Gol.
fee cocoa, sugar anu meat exlract' 50 trlo,s
The working man or woman TO Whom even
fartt,irgs are important, or whose duties
cali them out late at night or IN the eaIly
morning. may always 1e apls st nance.
rshe system is TO be known as the fIuto
vaste-heat economizer, and the particular
erd is that ii has overcome the diff
Guilty of transferring the neat az the lop
Of a lamp to the bottom, or vice versa Sd
Srhis has been met by simple automauc
5avica nv which cold water Is red INTO
sniral coil and superheating champer
placed about foot above the lame. III
This the water is converted into steam
which is expelled by its own expansive
force through an ordinary dead-wagat
safety va be ,o GUmn or or in house to the
Aoor above where, through coils OF IRON
hines. it heats the water contained in the
reservoir. IniS TeSSI oii. III thS eo'S -
~, outdoor lamp is connected with the
water main of the street. and by further
clever application Of the automatic princi-
ME as soon as a gallon Is drawn OH the
boiler fills again. Due provision has been
made against explosion. and after cold
water has been introduced there is boldly
printed thermometer to show the would-be
purchaser of the next half-penny worth
the exact temperature within and the mo-
ment that full boiling point Is reached AS
\ rough estimate of what each lamp thus
transformed may be expected to achieve,
every cubic foot of gas burned should heat
one gallon of water per hour, without In
power OF the light. of which. indeed. the
heating process is wholly Independent.
Moreover. in appearance the lamps remain
chamber is contained in dome no more