11
PRESTO
February 2, 1924.
SEEK WOOD COATINGS
TO RESIST MOISTURE
Perfect Protection for Pianos or Other Fine
Finish Against Change in the Atmosphere
Not Yet Found.
rubbing varnish. A mixture composed of aluminum
powder and a cheap gloss oil which is called a
"bronze" coating is very fast drying; three coats can
be applied within half an hour. This mixture was
proved in test to be superior in moisture resistance to
any of the coatings already mentioned.
A practical, temporary protection is a heavy coat
of paraffin. Another is formed by vaseline smeared
over varnish. This is one of the most moisture-
resisting coatings yet found. Neither of these two
coatings, however, can be used on surfaces subjected
to hard usage. It is believed that the findings of the
United States Forest Service will be of inestimable
value to the industrial world.
The United States Forest Service is conducting a
series of tests in the Forest Products Laboratory at
Madison, Wis., in order to determine what protection
against moisture is afforded by various coatings ap-
plied on wood. Internal stresses that cause wood to
shrink and swell, warp and check are due to changes
INDUSTRIAL ACCIDENT.
in the moisture content.
An analysis showing for the first time the exact
When wood is exposed to changing atmospheric degree of seriousness of each of the principal causes
conditions, such internal stresses occur continually. of industrial accidents was recently completed by the
The only way to retard or prevent them is to protect National Bureau of Casualty and Surety Underwriters
the wood from the air with some moisture-resisting which makes known the results of the study. The
finish or coating. No coating has yet been discov- analysis included 350,000 industrial accidents and fur-
ered which is entirely moisture-proof, but several have nished the basis for the new industrial compensation
been found which are very effective.
rating schedule which went into effect July 1. The
Oil paints form a film over wood which is very ratings formerly were based on estimates which were
durable even in exterior locations. However, such largely the result of personal judgment, according to
a film, although it may be continuous, does not pre- the announcement.
The analysts recognized that
vent moisture changes in wood, as shown by labora- there is a constant tendency in industry to substitute
tory tests. Linseed oil was found in the absorption mechanical for manual operations, and as a result
experiments to be quite ineffective, although it is rec- machine accidents are bound to cause an increasing
ommended much more frequently than most of the proportion of the total number of accidents.
other materials for moisture-proofing wood. It was
also found that two coats of floor-wax preceded by
MARKING PIANO CASES.
five coats of hot oil failed to give any great protection.
Musique et Instruments, Paris, calls attention to the
The cellulose lacquers have the advantages of being
fast drying and forming a very elastic film over the great importance of designs on piano packing cases,
wood. They rank somewhat higher than the oil say of a man standing, in place of the words "top,"
paints in moisture resistance, and considerable im- "bottom," for shipment, particularly for foreign parts
provement can probably be made in them by the where natives who cannot read handle the packing
cases. Otherwise the cases may easily be put upside
addition of solid bases.
The larger amount of gum solids present in rub- down with serious damage to the contents.
bing varnish possibly accounts for the fact that they
furnish greater moisture resistance than do spar or
The piano department of Lipman, Wolfe & Co.,
long oil varnishes. Enamel coatings which are made Portland, Ore., Warren Erwin, manager, is actively
by the addition of pigments such as barytes to ordi- featuring baby grands. Mr. Erwin reports a splen-
nary varnish have practically the same efficiency as did volume of business.
MARIMPIANO DESCRIBED
BY ITS INVENTOR
Celso Urtado, a Guatemalian, Is Inventor of Instru-
ment Similar to Marimba and Xylophone.
Celso Urtado is the inventor of the marimpiano, a
new instrument recently introduced. In construction
this new instrument is similar to the marimba and
the xylophone, and its tone resembles both. The
marimpiano, however, produces other tones which are
similar to those of the piano, violin, cornet, clarinet
and flute. Mr. Urtado intends to make arrangements
for manufacturing his marimpiano and placing it on
the market. Before doing that he plans making a
tour of the country in order to demonstrate his
invention.
The top and bottom of the marimpiano are shaped
like trapezoids. The top is covered with narrow strips
of metal varying in length which produce the music
when struck by the four hammers in the hands of the
player. The instrument is about three feet high.
The body or case is about two feet deep. Within it
there are a number of chambers which act as reson-
ators, and through which the sound is carried from
the instrument into the auditorium.
The pedal arrangement of the marimpiano was de-
vised for controlling the tones. There are two pedals.
One gives added power to the sounds produced by
striking the keys, the other decrescendo effects. The
player of this instrument can produce a wide range
of tones by skillfully operating these pedals while
playing upon the keys with the hammers.
Mr. Urtado, who is a Guatemalian by birth, has
devoted two years in constructing and perfecting the
marimpiano.
TRADEMARK REGISTERED.
The U. S. Patent Office reports having granted
trademark registration to the Circle Music Publish-
ing Co., Cincinnati, Ohio, for a trademark to be used
in merchandising sheet music, compositions for or-
chestras, brass bands, pianos and vocalists. Applica-
tion for the trademark has been pending for six
months.
B. K. SETTERGREN CO.
Exclusive Manufacturers
ot
HIGH GRADE SMALL GRANDS
35 Years' Experience in Piano Building
BLUFFTON, IND.
Grandly Upright and Player Pianos
New Haven and New York
For QUALITY, SATISFACTION and PROFIT
NEWMAN BROTHERS PIANOS
Mathushek Piano Manufacturing Co.
132nd St. and Alexander Ave.,
NEW YORK CITY
NEWMAN BROS. CO.
Established 1870
Factories, 816 DIX ST., Chicago, 111.
Kindler & Collins
Jesse French & Sons Style BB
Pianos
SaO-924 W. 48MI S
NEW YORK
# Leins Piano Company,
Makers of Pianos That Are Leaders
in Any Reliable Store
NEW FACTORY. 304 W. 42mt St.. NEW VOKK
The True Test
KREITER
Compare the new Jesse French & Sons Piano
Pianos and Players
with any other strictly high grade piano in tone,
touch and general construction, and you will be
convinced at once that t h e y offer the most
exceptional v a l u e s to be found anywhere.
Have No Competition Where
Beauty of Cases and Tone
Sustain Profit Making Prices.
Everything the Highest but
Write today for catalog and prices
the Price.
"They are the one best buy on the market"
Inspect them Carefully and See.
JESSE FRENCH & SONS PIANO CO.
NEW CASTLE,
INDIANA
Kreiter Mfg. Co., Inc.
320-322 W. Water St., Milwaukee, Wis.
Factory: Marinette, Wis.
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