PRESTO
August 11, 1923
TANNINQ PNEUMATIC LEATHER
Valuable Material for Purpose Is Found in Sumac
Plentiful in America.
A valuable source of tannin suitable for tanning
light-colored flexible leathers used in the.pneumatic
parts of playerpianos is sumac, found abundantly in
the United States, and especially accessible east of
the Mississippi River from Maine to Georgia. Sumac
is harvested on a large scale in Virginia, North
Carolina, Maryland and Pennsylvania.
American sumac, with careful harvesting and
proper curing methods, would make an excellent sub-
stitute for Sicilian sumac, according to H. M. Hoar
of the Research Division of the Department of Com-
merce. For the production of a bright and properly
cured domestic sumac, earnest co-operation of buy-
ers and gatherers is essential. This can be achieved
best through paying the collectors a price com-
mensurate with quality as an incentive to more care-
ful gathering and better curing. Thus the depend-
The Piano Repair Shop
Pianos and Phonographs Rebuilt by
Expert Workmen
Player-actions installed. Instruments
refinished or remodeled and actions and
keys repaired. Work guaranteed. Prices
reasonable.
Our-of-town dealers' repair work solic-
ited. Write for details and terms.
THE PIANO REPAIR SHOP
425 South Wabash Ave.
Chicago
ence of American tanners on the imported product
would be lessened.
The tannin content of the best American sumac
ranges from 19 to 35 per cent; that of good Sicilian
sumac averages 28 per cent. Renewed activity in the
leather industry has increased the demand for sumac
and prices are advancing'. Early July quotations
were $80 to $85 per ton.
For tanning white and light-colored leathers, col-
lection should be made in June, but when darker
colors are desired, collection should be made in July.
The percentage of tannin in American sumac gath-
ered in June is 23, while that gathered in July is 27.
21
COINOLAS
FOR
RESTAURANTS, CAFES and
AMUSEMENT CENTERS
GETTING RADIO STAGE FRIGHT
Condition Is Common, Although Radio Speaker's
Audience Is Unseen and Unresponsive.
Although he stands alone, the speaker making his
debut before the radio microphone often gets stage
fright. But he can put his hands in his pockets and
need not wonder if his tie is straight or his hair
combed. Appearance counts for nothing. The suc-
cess of the radio speaker depends upon what he says,
and how he says it.
The radio orator need not worry about facing his
audience or directing his voice to all parts of the
hall. Radio broadcasts sound in all directions. There
are 13,600,000 persons within a hundred-mile radius of
New York aerials.
The nervous radio speaker can rely on no prompter,
because the microphone picks up the faintest whisper
and sends it through space. After the radio speaker
is introduced he must begin immediately. If he
falters or coughs nervously impatient listeners will
tune to another station. The attention of the unseen
audience is held by words, and words alone.
Deprived of elocutionary gestures and tricks, radio
speakers must depend upon their speech. There are
no friendly smiles or applause to indicate success, not
even the shuffle of feet or restless moving about to
tell of failure.
Style SO
FROM THE BIGGEST
ORCHESTRION
ELECTRIC WIRES DANGEROUS.
Radio antennae installed near high voltage lines
have brought sorrow into a number of American
homes. During a recent storm in Pittsburgh a
woman was killed when she came in contact with a
radio aerial which had fallen across a high tension
wire. It is reported that twelve radio followers,
mostly boys, met death during 1922 as a result of
touching exposed live wires while installing their radio
antennae. The antennae should not be installed
where there is a possibility of them coming in con-
tact with electric light and power lines during the
course of erection or afterward.
The Superior Radio, Inc., of Philadelphia, changed
its name last week to Shipley & Co., Inc.
PRACTICAL PIANO MOVING SUPPLIES
INCREASE SELLING POWER
One-Man Steel Cable Hoist; Two-in-One
Loaders, Trucks, Covers, etc.
Gat Our New Cli> ulara and Price*
PIANO MOVERS SUPPLY COMPANY
BUCKINGHAM, PA.
TUNERS"
Here are
BASS STRINGS
Special attention given to the needs of the tuner and
the dealer
OTTO R. TREFZ, Jr.
2110 Fail-mount Avenue
FAIRBANKS
PHILADELPHIA, PA.
PIAN0 PLATES
THE FAIRBANKS CO., Springfield, Ohio
PERFECTION
PLAYER ROLL CABINET
Furnished in 5 ply veneered 13/16 stock in
Mahogany, Oak and Walnut
Designed and Manufactured
By
1516 Blue Island Ave.
THE SMALLEST
KEYLESS
Manufactured by
The Operators Piano Co.
Perfection Piano Bench Mfg. Co.
Capacity, 150 Rolls
Tiny Coinola
CHICAGO
16 to 22 South Peoria St.
CHICAGO
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