New Orleans daily crescent., 1859-09-19
E. E. KITTREDGE.



NEW ORLEANS, Feb g. 1859,
Dear s-Having been engaged DR.. Ktredge's planta
oe for fall Of a I Ths,s there ONE
withn past fonr years which the furnaces ef MI Still
had fair opportunity judssg coparavs merits Of
The furnaces have s,i
r. q
laying hi
SUFFICIENT % i, e0s will gn 1 he @
nsh ali Of the steam quired six eight wood
IN twenty four hours and make the above number Of hhd In
ali my firm conviction your furnace best have
the the Bssasss s into useful fuel. - ~ ''
Yours, respectfully.
CHARLES NEAMEs, Engineer
Elm HALL PLANTATION, Feb T. 1859.
MI Thempg1 New ts Orleans La =, .nar.sr
ions m or eight and during that # tine had
aees much larger quantity of
sos1 fsl nd make
the YORK With cord wood % the hh take
''s 'AsH' Thus. H JONES, Engineer
In 1855 Messs Hager Aynn obtained patent and in tina.
year and 1851 they furnaces which innged my
pnqaesouabe rights therefore notified cautioned no.
to with Hags As and Immediately demanded Of
Testimony taken BY both parties and submitted to that OIL
dered slsnghy and my which the follow.
ing is an extract and closing paragraph He says:
Regarding then the invention fully perfected and In
eesu operation October 1854 at Weeds place. tried
exprmenay earlier period Gossett Johnson plan
taon where Thompson had satisfactorily tested his invention
and found that with the substitution Of fire brick for iron
CRATE bars capable of performing all that he claimed
for IT. believing for the that neither Hage Aynns
Thompsons claim Is limited the material employed that
mr.
and finding that contract entered into for the
erection of Hager Aynns furnaces prior to the latter
part of December 1854 priority of invention hereby awarded
to Moses Thompson and patent will issue accordingly
J.HOLT. Commissioner"
Letter from Prof. B. siman Jr., concerning Mr.. Moses
Thompson's Baggasse Furnace.
New Haven o., June i, 1859.
theory The workings Of Mr. Thompson Fur
mace for tSr the M burning Of wet % Ies ~, =, Ii.
t. for ass % a 1
ne change tie openings
S I ii Il Ssa M ssy
prepared eff ct these ch when the snspsnsion of the
Mr. & ives capable o. burning @ wet m peat s
water This watery iael suiced in Thompson's
S ws'y SO VIII
fuel and expense CON pared WITH e9al or wood in
cost about s. per tnn
views here Suffice to say that fully opinion that
the arts and that It Is nowhere Of SO great ali
q eu
agest number of experiments and some almost copies
took the asd he alone merits The claim of originality
ssaeng for turning wet fuels both correct in theory
NJ THOMPSON modest, unassamiue Of original
out himself great probs chemical and ply
hss esa and
be allowed both the hoaors and the pecunpry
sAsh ae sns those WIG
Bosros, June g. 1885,
s have the following patents for furnaces for
M g. a hs Ns.eS to P Noses 1h0np0 10th April
Cd Letters pate.t granted Hager Allyn May 6sh 1856
81. Letters patent W granted E. steley, June l5th 1855
h Samuel H. Gilman December
Tie af O tsess Thompson 10th April 1855
reissued s March sD sntedates the Others This patent
These operations performed smuanrou y diff
s s
x r. the s and the Sne h s e
series fire chambers, com nnnicspg with us mixing
H. nv
m h az described @ in the msse5 q n May
that portion which Is bang dried being mixed with those
from The part which is being consumed and the whole are
burned together The passage see Hagar and Ayns draw
ngs, and the space beneath boilers the pans
connected with this forming the mixing
chamber, in which the gasses are consumed :.
In the patent of Evan Shelley l5 1855 the bagase IS
thrown in and heaped the floor hearth which is
burned @ but dsncay the same opsra Is carried on a. in
being burned the portion being dried and 50 soon AS
is dried gnited and consumed the yapos from the drying
portion and tho burning portions being
gpted in mixing chamber and consumed the operation as Ia
rhompsons furnace being continuous This furnace is there
fore, o clear infringement Of the Thompson patent.
In the furnace described in Gmans patent December
1855 the bSgase thrown continuously single burning
chamber but the drying and burning continue
taneonsy different portions of fuel and the cases. vpers
and heated air all thrown together into cham
ber B Of Gmsns drawngs) where they mixed and
sumed This furnace therefore pndoubted infringement
Thoupsun,s pateut. ~