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JTHLY OR YEARLY PROGRAM
OUR COUNTIES HASCHEN
CONTRACTOR AGRICULTURAL
RD. Box 249 SYSTEMS
Coalport, Pa. 16627 P.O. Box 505
PH 814-672-5751 Chestertown, Md. 21620
PH: 3QI-778-5800
0 INC. I
-ry's Road 1
Id 21154
692-5350
%CKLIN STEEL TRI-STATE MARINE WALTER J. KELLER BUILDING QUILL
BUILDERS . DIST.INC. CONSTRUCTION SYSTEMS INC. CONSTRUCTION CO. |
301 N Broad Street Route2s6 RDIBox4O3J R.D. 180x203 P.0.80x 6269 |
Grove City, Pa. 16127 Deale, Md. 20751 Strasburg, Pa. 17579 Lewisburg, PA 17837 Harrisburg, Pa, 17112 ■ j
PH 412-458-7243 PH: 301-867-1447 PH: 717-687-8681 PH: 717-524-0568 PH: 717-545-7527 |
VTON
CO.
ware 19933
7-8211
WINTER HAVEN, Florida If
you love the tangy, sweet taste of
dried apricots and peaches, or
enjoy the spicy flavor of dried
peppers and onions, a backyard
solar food dryer may be just the
thing for you.
For less than $2O, you can build
this energy-efficient device. All
you need for the project are simple
handtools hammer, drill, pliers,
clamps, and handsaw; inexpensive
materials—string, aluminum foil,
glue, and wood for a frame; and a
little bit of do-it-yourself ingenuity.
Free, detailed instructions are
available from the U.S. Citrus and
Subtropical Products Laboratory
in Winter Haven, Fla., where SEA
researchers designed built and
tested the driver as part of a
cooperative effort with the
Department of Energy.
The unique feature of the dryer
is a low-cost, curved focusing
surface that concentrates
radiation from the sun just enough
to dry foods but not enough to
cause them to overheat or burn.
The focusing surface is made ffom
ordinary household aluminum foil
drawn over strings held taut by a
framework of laminted wood
curves or parabolas. These
parabolas are' glued into a
framework designed to support the
dryer at an angle that best catches
the sun’s rays. The dryer focuses
16 sq. ft. of insolation—incoming
solar radiation—onto 5.3 sq. ft. of
drying surface.
The dryer is covered with
polyethylene (clear plastic) with
slit openings arranged at the top
and bottom to allow controlled air
to flow upward from the base,
through a perforated aluminum
shelf on which the food is dried,
and then -out the top. This plastic
covering protects die food from
dust, birds, insects, rain, and
IDEAL
FOR
GRAIN -
OR
MACHINERY
STORAGE
LEASE IT
See Your
Agri Builder
For Details.
These Buildings Engineered for
Self-Erection
(Butler wilt furnish Erection and
Foundation Drawings)
Build a backyard solar dryer
prevents the re-entry of moisture.
Chemical engineer Charles J.
Wagner and research chemist
Richard L. Coleman (project
'leader) have simplified what
might have been a difficult phase
of the construction by forming the
parabolic curves with thin wooden
strips placed according to pattern,
then glued and secured with
clamps.
“The parabolic aluminum
reflector increases the drying rate
of foods,” says chemist Robert E.
Berry, laboratory director. “Some
products that previously took 3 to 5
days for solar drying can be dried
in 1 to 1% days. With this model,
..we have beaten the high cost of
previous designs which used
parabolic solarooncentratmg
mirrors.”
“Parabolic reflectors have been
used as solar energy focusing
devices throughout history,” says
Coleman. “Now, as the cost of
fossil fuels continues to climb, the
application of solar energy is not
only popular, but necessary.”
CHAMBERSBURG - Ob
jectives for 1982 were set at the
June 4 meeting of the Franklin
County Conservation District
Board of Directors.
One of the major changes was
the district’s responsibilities under
Level 5 of the Bureau of Soil and
Water Conservation’s erosion and
sedimentation control program.
Three county landowners were
approved for conservation plan
ning assistance. They are: Larry
Rosenberry, Lurgan Township;
Franklin Co. Conservation Board meets
IN STOCK FOR IMMEDIATE DELIVERY
1818 GRAIN BIN - 4173 Bushel (fapacity
LESS THAN s 22oo°°
' F. 0.8. Cash and Carry
IN STOCK FOR IMMEDIATE DELIVERY
2718 GRAIN BIN - 9872 Bushel Capacity
LESS THAN '4ooo°°
F. 0.8. Cash and Carry
TRI-COUNTY
AGRI-SYSTEMS
R.DJI.BoxSS
Swedesboro, N J 08085
PH: 609-467-3174
The researchers have evaluated
sundrymg of tropical and sub
tropical fruits and vegetables for
several years. Wagner has found
that peaches, mangos, green
peppers, onions, mushrooms,
plantains, and grapes can be
successfully preserved by home
drying. Some food products need
pretreatment, such as blanching
and/or slicing.
Coleman and Wagner have also
studied the effect of focused in
solation on moisture content of
muscadine grape varieties, which
make excellent, raisins. The
researchers expect to find some
differences in drying tunes bet
ween fresh, deseeded, and
pretreated grapes.
Information on pretreatment for
sundrying foods is available from
the researchers, along with
detailed, illustrated directions on
the construction of the solar dryer.
Write to the U.S. Citrus and Sub
tropical Products Laboratory,
P.O. Box 1909, Winter Haven, FL
33880.
Mervin Frey, Montgomery
Township; and B-J Nursery,
Hamilton Township.
Tour plans have been finalized.
The tour will be held on July i to
visit the cannery operation and
cropland terraces at P. Paul Bert’s
farm, dairy operation at Ken
Schoenberg’s farm, and a visit to
the/gypsy moth problem areas.
The pubhc is invited to attend.
Anyone wishing more information
should contact the district office at
(717) 264-8074.
WEETER CONCRETE RIGGS ENTERPRISES I
CONSTRUCTION Box 98 |
P.O. Drawer V Boswell, PA-15531 j
Knox. PA 16232 p «- 814-629-5621 ,
PH: 814-797-5122 I
An inexpensive, easy-to-build solar fruit and vegetable
dryer, demonstrated by Charles J. Wagner (left), SEA
chemical engineer, and Richard L. Coleman, SEA research
chemist, uses curved aluminum foil mirror to reflect enough
solar energy to dry produce 2 to 3 times faster than con
ventional sun-drying.
Applicants are still being taken
for the Solar Water Heater
workshop to be held July 10 and 11
at the Chambersburg Recreation
Center. More information on this
workshop can be obtained by
contacting Beverly Kauffman at
2648074.
Executive Assistant Beverly
Kauffman will be attending
workshops on the erosion and
sedimentation control program,
v Level 5, at State College on June 17
and 18.
rouß
UILDER
m
lANCIN6
Lancaster Farming, Saturday, Jana 13,1931—A21
SPECIAL PRICED
GRAIN BINS
IN STOCK FOR IMMEDIATE
DELIVERY -
1518 Grain Bin, 2847 Bushel Capacity
2118 Grain Bin, 5776 Bushel Capacity
2418 Grain Bin, 7673 Bushel Capacity
3022 Grain Bin, 14,572 Bushel Capacity
P. L HESS, BUTLER MF6. CO.
Box 337, Oxford, PA 19363
I’m interested in more information on Butler products.
□ Buildings □ Bins □ Dryers □ Bulk-t^-Matks
Name
Address
County
City
John Akers, district con
servationist for the Chainbersburg
Field Office of the USDA Soil
Conservation Service, gave a
report on his office’s activities for
the month.
During the semicentennial
celebration of the Franklin In
stitute in Philadelphia, the ice
cream soda was introduced by
Robert M. Green.
BUTLER
itate.