Evening star. [volume] (Washington, D.C.) 1854-1972, 1856-07-01
GAS HEATER, OR NATURAL LAMPS
Seventy.five Cents each at RetaiI.

Patsntsdby w. F. Shauo, B Ostoa, Massachusetts.
The following is taken from the Boston
Transcript:
GAS AND AIR SUMNER COOKING Stoves. in
vented and patented by Mr. W f. Shaw, of
Boston, who after experimenting in this line
of inventions the past six years, has finally
succeeded in Inventlng most perfect appa-
ratus, which for utility, comfort, neatness,
economy and uniformity Of results, surpasses
any before invented or offered to the public
Mr.. Shaw has letters Of approval Of the scien-
tifc principles adapted by him to his different
styles of gas cooking and heating apparatus,
from some OF the highest professional chemists,
who not only approve of those stoves, but have
adopted them in their families.
Among the patents which have been granted
Mr.. Shaw, three have been for gas and air
heating and cooking apparatus. As other in
ventions have been introduced which are in.
tended to accomplish the same object, it would
be well to state that every invention of Mr..
Shaw's has his name and date of patent afix
ed to 1t, and that he will refund the money for
any of his apparatus that does not fully &C :
compllsh all they are represented to. Hither-
to the objection to the use Of gas and atmos-
pheric air mixture az fuel for culinary and
heating purposes, has been, that as the mixed
gas and air is infamed on the surface of the
wire gauze, part Of the product of combus.
tion escapes laterally from the wire gauze
surface and mixes with the surrounding
atmospheric air. thereby forming not only
noxious odOrs, but those deadly poisons, form
ic acid gas and aldehyde, which becomes alb.
sorbed by the food, thus rendering it highly
deleteriOus.
Mr.. Shaw's invention consists in part of
surrounding the wire gauze surface with fine
ly perforated tin, by which the flame and the
products of combustion are supplied with at
mOspheric air at very high temperature
which he has discovered is actually necessary
for complete chemical union or perfect com
bustion of the mixed gases and the entire pre-
vention Of the formation of the above named
pOisons. As the apparatus is now construct
ed, the most sensitive tests cannot detect the
least trace of their presence. In communica
tions received from Prof. A A. Hayes and J.
N. Wightman, Esq the absence of these
objections is attributed wholly to surrounding
the wire gauze surface with finely perforated
tin, operating as above stated.
Messrs. W. F. Shaw & Co., No. ia Wash
ington street, opposite Bromfeld street, are
making extensive preparation for manufactur-
ing these apparatus. The most convenient
article We have ever used is the cone cooking
stove, which they connect, and leave in ope-
ration in any room, for the SUN of $40, includ-
ing oven, tea kettle, steamer, pans, flexible
pipe, &c. They have also fat iron heaters
So rs each, and gas range and stoves from SIS
to 80 each, all of which they are happy,to ex-
hibit in actual operation at their Gas Fixture
and Gas Fitting Warerooms.
Er For sale by all the principal House
Furnishing and Gas Fitting Establishments,
at the Boston prices, excluding freight bills.
N. B-A liberal discount made to the trade.
Itx