26
PRESTO
THE CONTROL OF HUMIDITY
Government Expert Tells How It May Be Increased
or Decreased in Drying Kiln.
Every piano factory superintendent is interested in
the proper drying of his lumber stock so that the con-
trol of humidity is an important consideration with
him. This may be accomplished by mechanical or
chemical means and the ways are pointed out by Rolf
Thelen in charge of the section of timber physics at
the Forest Products Laboratory, Madison, Wis.
"It is simpler to increase the humidity in a kiln than
to decrease it," says Mr. Thelen. "The universal
method of increasing humidity is to inject steam into
the kiln chamber.
"Atmospheric air is usually drier than that in the
wood-drying kiln and can be used only for dehumid-
ification, a practice common with ventilated kilns. The
moist air is drawn off through ventilating flues and the
fresh air enters through intake flues or ducts. As the
fresh air is heated its relative humidity falls while the
dew point remains the same.
"Moisture may also be removed from the air by
condensation. The water vapor in the air condenses
as it passes over a substance colder than the dew point
of the air. Condenser pipes with cold water flowing
December 13, 1924.
through the mare commonly used for this purpose.
When cold water is hot available, a refrigerator plant
may be installed and brine circulated through the con-
denser pipes.
"Cold-water sprays are also used to dehumidify air.
The spray temperature must be below the dew point
of the air passing through. If the sprays are power-
ful enough the air will be cooled to about the temper-
ature of the water and will come out saturated at a
temperature below its original dew point In other
words, the dew point will have been lowered. If the
air be heated to its original temperature it will be
drier than it originally was. Humidity controllers
almost without exception operate valves controlling
steam jets, just as temperature controllers operate
valves upon the heating system.
PHONOGRAPHS IN INDIA.
C. C. Batcheldor, U. S. Trade Commissioner in
India, reports to the Bureau of Foreign and Domes-
tic Commerce that American talking machines of the
better kinds sell freely in British India, but that no
systematic drive for the business is made by Ameri-
cans. "It is rather astonishing that American manu-
facturers have neglected this promising field, espe-
cially in view of the success which has attended those
who have exploited it intelligently," says the report.
"SUPERIOR" PIANO PLATES
Manufactured by
Cleveland, Ohio
SUPERIOR FOUNDRY CO.
NATURELLE
Reg.
U. S. Pat.
Oft.
The now famous reproducer, will help you increase your
sales of Phonographs and Records. Keep it on your dem-
onstrating machine. Every phonograph owner in your
neighborhood is a prospective buyer.
Dealer's Price $2.50—Send for Sample.
THE SPECIALTY PHONO. & ACCESS. CO.
210-212 East 113th St.
FAIRBANKS
NEW YORK
PIANO PLATES
THE FAIRBANKS CO., Springfield, Ohio
FOR BRUNSWICK DEALERS
Special Letter from Record Manufacturers
Directs Attention to Instructions About
Selling the Line.
Tn a letter this week from the Brunswick-Balke-
Collender Co., Chicago, "To Those Who Sell Bruns-
wick Records," this is asked:
''Did you ever notice at a concert, when the artist
announces the next selection there will be some in
the audience who applaud? They are not applaud-
ing the artist, but instead themselves, because they
are familiar with the piece. In other words, the se-
lection to be sung or played is familiar to some, and
can be called "popular."
"Why not familiarize your customers with each
selection yeu are demonstrating or talking about?
If the customer is already familiar with the selection
or artist you can make the record doubly interesting
by giving these little sidelights which will be re-
called by the customers every time they hear the
record. You create something of intimate interest in
the record!"
So that the*dealer can create this additional inter-
est in all Brunswick records, an advance list of new
records with comments that give something of in-
terest about each record is issued. The dealer's own
selling ideas and impressions of the records, supple-
mented with the "Comments" should make each num-
ber a good seller.
The following are fox-trots in the new records this
month: "Gotta Getta Girl" and "My Best Girl," Isham
Jones' Orchestra. "I Want You Back, Old Pal," and
"Cocoanut Trot," Abe Lyman's California Orchestra.
"Oh, You Can't Fool an Old Hoss Fly" and "Oh,
How I Love, My Darling," vocal chorus by Billy
Jones and Ernest Hare, with Carl Fenton's Orches-
tra. "Somebody Loves Me" and "Lovely Little
Melody," Ray Miller and his orchestra. "Hot, Hot,
Hottentot" and "He's the Hqttest Man in Town,"
Bennie Krueger's Orchestra. "My Rose Marie" and
"Copenhagen," shimmy, Oriole Orchestra. "I Didn't
Care 'Til I Lost You" and "Me and the Boy Friend,"
Ray Miller and his orchestra. "Monte Carlo Moon"
and "Hard Hearted Hannah," Herb Wiedoeft's Cin-
derella Roof Orchestra. "Dear One" and "Dreary
Weather," vocal chorus and Gene Redemich's
Orchestra.
Other records contain baritone songs by John
Barclay, "Song of the Clock" and "Thinkin' of You."
Two numbers by Vessella's Italian Band, "Forza
Del Desiino—Solenne in quest' ora" (Act III)
(Verdi)
and
"Meristofele,"
selection
(Boito).
"Standchen" (serenade) and "Marias Wiegenlied"
(Marias Lullaby), soprano in German by Claire Dux.
Overture to Freischutz by the Minneapolis Symphony
Orchestra. Two piano solos by Eli Ney, "Feux d'
Artifice" and "Valse Petite."
IVORY MARKET FACTS.
Animal ivory is imported into the United Kingdom
chiefly from Belgium, the Anglo-Egyptian Sudan, the
Belgian Congo, British Indiana, Portuguese East
Africa, France, and Tanganyika. It is exported prin-
cipally to (he United States, France, Germany, Brit-
ish India, Belgium, Japan and Hongkong, says Com-
merce Reports. Ivory is sold in London at public
auction at the London Commercial Sales Rooms, 30
Mincing Lane, London, E. C. 3. Auctions are held
every three months, beginning in January, under the
public-sales conditions of the General Produce
Brokers' Association of London. The usual spot
contract form of the General Produce Brokers' Asso-
ciation is used. Payment is made against warrants
or delivery order, interest being allowed on prepay-
ments before the date payment is due.
PERFECTION
Benches and Cabinets
The line that sells on sight and satisfies always.
The only solid walnut benches built and sold at
regular prices.
Send for catalog and price list.
No. 25
Perfection Benches with Smith's Patented Interlock*
ing mitre joint.
PERFECTION PIANO BENCH MFG. COMPANY
1514-1520 Blue Island Ave.
Chicago, HI.
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