The daily sentinel., 1910-03-21
MR.. HAMILTON REPLIES.


from the pahog charge of fruit disease investigation the
highest authority in Amerca-M. B. Waite.
My contentious need further support.
UNITED STATES DEPARTMENT OF AGRICULTURE,
Bureau of Plant Industry, Fruit Disease Investigation
Mr. James l. Hamilton Grand Junction Colo
Dear sir-Mr Gould pOmologist in this bureau has re-
d letter of January &c. about possible smoke injury
the heating orchards the effects of low em
Whatever be the advantages and disadvantages of different
systems orchard heating do not think there will be question
of injury when ordinary fuel materials used or when soft coal or
oil used
only danger possibly would be when Sui
materials as arsenic or SULPHUR would vOaze fire
In arsenic SULPHUR this might deposit cOndnse the
rather surprised that the heat itself has not made
trouble directly the fires but as firing usually done in
still time the fire placed to be harmless
As we understand it there could be no permanent damage to
the fruit crop the second year Yours very truly
pathologist in Skarg Change Fruit Disease investigation
UNIVERSITY OF CALIFORNIA, AGRICULTURAL EXPERIMENT
Berkeley. Benz Ide Wheeler, President
Ralph E. smith Plant pathoogst
Plant Pathology, Southern California Laboratory Labor
Mr. James l. Hamilton 400 Main St, Grand Junction Colo
Dear sir have your letter of the 2sh last referred from
Regarding burning oil and coal for orchard frost
would say that have never Of 6r any GR R GBnR @
USE CRUDE OIL for this and am sure that there no
danger the S trees or fruit the FUMES ] from from the the 'l@s e
fruit and which has be removed before ship
ment This trouble you you obliged
to smudge Just before picking heard
damage the vitality of the tree by deposition OF SCOT upon the o
(Sgned) RALPH E. SMITH,
Grand Junction, Colo, December 20, 1908.
The Hamilton Reservoir Heater Company,
Junction, Colo.
Replying to your favor say my
peach Grand Junction covered with
ON THE ACRES HEATED HAD GOOD CROP THE FINEST
FRUIT; and acres unprotected had practically nothing
The demonstration place complete and showed PLAIN
the beneficial effects the smudging With the Hamilton Res
simple of operation and adjustment to the conditions OF the
weather. enabling produce great or small degree OF heat as
On the first evening wind
fall in temperature of less than 27 de-
temperature orchard above freezing On the
evening conditions favorable By this mean there
degrees inside the heated while outside the
registered 27 degrees after short ex
posure ,..
especially the adjustable feature of the Hamilton
only enables adjust the heat to the
Very truly yours
Fruita, Colo, December 81, 1908,
Mr. Jas L. Hamilton Grand junction, Colo
Dear Sr-The Reservoir Orchard Heater, in
maon superior heater the market account Of
night reing SAVED MY CROP 80 apples and
spring with these heaters and was very much PLEASED
THINNING MY TREES ARE IN AS HEALTHY CONDITION AS
EVER SAW THEM AND THE FRUIT BUDS HAVE s SET T. VERY M
HEAVY FOR NEXT YEAR so AM SURE THERE WAS NO DAM
AGE TO THE TREES.
you the sale the heaters and the
growers to try the fegutng feature of great
and believe the that pulled me through when the
temperature low as 10 above zero 49,
refer about this heater as Will De gd
y ven Respectfully,
M A DIEHL.