Music Trade Review
Issue: 1925 Vol. 81 N. 14 - Page 59
Music Trade Review -- © mbsi.org, arcade-museum.com -- digitized with support from namm.org
THE MUSIC TRADE REVIEW
OCTOBER 3, 1925
57
SUPPLY BRANCHES OF THE INDUSTRY
Purchase Contract Specifications
Necessary in Buying Kiln Dried Lumber
"3. Condition of the stock as regards defects
not ordinarily visible, such as casehardening,
honeycomb and collapse.
"4. The loss in footage through the shrinkage
of the boards during kiln drying.
Rolf Thelen, Head of the Timber Physics Section of the Forest Products Laboratory, Madison,
"The matter of shrinkage is an important one,
Wis., Discusses the Various Aspects of This Important Subject
principally, however, from the standpoint of the
basis on which the stock is to be measured.
¥ T is gent rally conceded by executives and
cerning the moisture content of lumber and Thus, it is obvious that a certain lot of lumber
purchasing agents in woodworking indus-
methods of seasoning. While individual buyers will contain progressively smaller footage as it
tries that it is practically imposible to draw
and sellers have reasonably satisfactory specifi- dries. In the kiln-dry condition it will show
up a single standard form of sales contract to
cations, the industry as a whole has no work- less footage than in the air-dry condition, and
cover the entire range of conditions existing able basis or understanding upon which to mer- in the air-dry condition it will show less than
in the purchase and sale of dry lumber. The
chandise the stock or settle controversies which when it is green. While the amount of shrink-
manufacturer will in some cases do the drying may arise. The result is naturally very unsatis- age in any particular case may be modified to a
himself. In other cases it will be done at a
factory, not to say chaotic. A man who pur- certain extent by the method of seasoning, it
custom mill, and in still other cases partly by
chases 'air dry' stock does not know whether does not necessarily follow that to attempt to
the manufacturer and partly in a custom kiln.
that stock will contain 12 per cent moisture or write a definite specification on shrinkage in
The sales contract must therefore, be drawn to 25; neither does he know what range in moisture order to avoid heavy shrinkage losses in the
show the distribution of responsibility under
content should be permitted in stock sold as 'air kiln would be worth while. It seems now that it
the specific conditions covered by the contract. dry.' The same thing applies in the case of
would be better to write a specification which
kiln-dried stock. Stock which has been through would insure well-dried stock and allow shrink-
An'article on this subject has been prepared
recently by Rolf Thelen, in charge of the sec- the kilns may have a moisture content ranging age to take care of itself. The sales contract
must, however, show definitely whether the
tion of Timber Physics at the United States from an almost green condition to practically
Forest Products Laboratory, Madison, Wis. zero moisture content, and there is in general footage is based upon the green, the air dry or
no basis on which either the purchaser or the the kiln-dry condition. If the term 'air dry' be
"Interest in the kiln drying of lumber," writes
Mr. Thelen, "has grown by leaps and bounds in seller can determine whether the stock has been used, an explanation should be made showing at
properly dried and is at a suitable moisture what moisture content the stock shall be con-
the last few years. This interest is not confined
content. It is easy enough to tell how much sidered air dry. The kiln-drying specification
to any one region or any one group of species,
but is found throughout the timber-producing stock there is and whether or not it is on grade should include standard methods of making
and lumber-consuming regions. The causes for so far as the ordinary visible defects are con- moisture determinations and standard tests for
this awakening interest are manifold. Among cerned. There are standard methods of meas- casehardening, and should indicate permissible
them may be mentioned better knowledge of the urement and standard grading rules by which variations in moisture and permissible amount
possibilities and limitations of kiln drying, eco- this can be done but there is no standard rule of stress for standard conditions. Any varia-
nomic conditions which make it desirable to by which the seasoning process can be gauged. tions from the standard required by individual
conditions can be made part of the sales con-
ship stock in as dry a condition as possible in
"It is just as important that the stock be of
order to save freight, the possibility of cutting proper quality so far as seasoning is concerned tract. The contract will also have to include a
down the amount of stock on hand and of avoid- as it is that it be of proper quality so far as clause showing who is to bear the responsibility.
ing stain and other losses frequently occurring grade is concerned, and it is necessary that
in air seasoning, and the realization of the fact
suitable drying specifications be provided so
that in many cases stock kiln dried at the mill
that the quality from the seasoning stand-
or in transit can be used by the consumer with- point may be accurately determined. The ad-
The Reaxjniied Standard
out additional drying. One of the immediate vantages to be derived from a standard drying
results of these conditions has been a rapid de- specification are so obvious and so far outweigh
velopment in the sale of kiln-dried stock by the any disadvantages that they require no discus-
mill man. The consumer without adequate dry- sion. This standard specification should be of a
ing facilities can purchase kiln-dried stock and technical character and should be limited to the
thus avoid the necessity of installing and operat-
matter of drying alone. It could then be applied
r
ing drying equipment of his own. Various mills
to standard sales contracts in any way which
in different regions are making a specialty of the might be desired.
The originator ofthese
sale of kiln-dried lumber and dimension mate-
"To be entirely satisfactory a kiln-drying
Quality Products
rial, and the number of these mills is constantly
specification must cover adequately and con-
Prices on application/
increasing.
cisely a number of points about as follows:
"The industry finds itself with no adequate
"1. The moisture content and moisture distri-
LJ.MUTTYCO. 1
specification or recognized trade practice con- bution of the dried stock.
BOSTON, MASS.. U.S.A.
"2. The conditions of the stock as regards vis-
ible defects ordinarily covered by the grading
rules.
Mutty's
^jjsi Player Piano Fabrics
^
and Tubing
Write for a sample can of Behlen's
Varnish Crack Eradicator and try it.
Once you learn how much it means to
you in the saving of time on your refin-
ishing jobs by eliminating the necessity
of scraping off old varnish and shellac,
and how much more satisfactory are
the results, because of the better sur-
face it gives to work on, you, like
others, will continue to use it.
EATHER5!
A Specialty of
Pneumatic and
Pouch Skin Leathert
STYLE NO. 220
A Popular Number.
A Profitable Seller.
Write for Catalog.
THE ART NOVELTY CO., Goshen, Ind.
T.L.LUTKINSInc
4 0 SPRUCE ST.. NEW YORK.N.Y.
Write to-day.
H. BEHLEN & BRO.
Anilines
Shellacs
mTKiNsa
Leather Specially
Tanned for Player-
Pianos and Organs
Also Chamois
Sheepskins, Indiaa
and Skivers
Stains
Fillers
10-12 Christopher St., New York
Near eth AT*., and 8th St.
Worcester Wind Motor Co. §
WORCESTER. MASS
Maker* of Absolutely Satiafactorr
g
§§
WIND MOTORS for PLAYER PIANOS j
Alao all kinda of Pneumatics and Suppliea
S
PHILIP W. OETTING & SON, Inc.
213 East 19th Street. New York
Sole Agents lor
WEICKERT HAMMER AND DAMPER FELTS
GRAND AND UPRIGHT HAMMERS
Made of Weickert Felt
THE MUSIC TRADE REVIEW
OCTOBER 3, 1925
57
SUPPLY BRANCHES OF THE INDUSTRY
Purchase Contract Specifications
Necessary in Buying Kiln Dried Lumber
"3. Condition of the stock as regards defects
not ordinarily visible, such as casehardening,
honeycomb and collapse.
"4. The loss in footage through the shrinkage
of the boards during kiln drying.
Rolf Thelen, Head of the Timber Physics Section of the Forest Products Laboratory, Madison,
"The matter of shrinkage is an important one,
Wis., Discusses the Various Aspects of This Important Subject
principally, however, from the standpoint of the
basis on which the stock is to be measured.
¥ T is gent rally conceded by executives and
cerning the moisture content of lumber and Thus, it is obvious that a certain lot of lumber
purchasing agents in woodworking indus-
methods of seasoning. While individual buyers will contain progressively smaller footage as it
tries that it is practically imposible to draw
and sellers have reasonably satisfactory specifi- dries. In the kiln-dry condition it will show
up a single standard form of sales contract to
cations, the industry as a whole has no work- less footage than in the air-dry condition, and
cover the entire range of conditions existing able basis or understanding upon which to mer- in the air-dry condition it will show less than
in the purchase and sale of dry lumber. The
chandise the stock or settle controversies which when it is green. While the amount of shrink-
manufacturer will in some cases do the drying may arise. The result is naturally very unsatis- age in any particular case may be modified to a
himself. In other cases it will be done at a
factory, not to say chaotic. A man who pur- certain extent by the method of seasoning, it
custom mill, and in still other cases partly by
chases 'air dry' stock does not know whether does not necessarily follow that to attempt to
the manufacturer and partly in a custom kiln.
that stock will contain 12 per cent moisture or write a definite specification on shrinkage in
The sales contract must therefore, be drawn to 25; neither does he know what range in moisture order to avoid heavy shrinkage losses in the
show the distribution of responsibility under
content should be permitted in stock sold as 'air kiln would be worth while. It seems now that it
the specific conditions covered by the contract. dry.' The same thing applies in the case of
would be better to write a specification which
kiln-dried stock. Stock which has been through would insure well-dried stock and allow shrink-
An'article on this subject has been prepared
recently by Rolf Thelen, in charge of the sec- the kilns may have a moisture content ranging age to take care of itself. The sales contract
must, however, show definitely whether the
tion of Timber Physics at the United States from an almost green condition to practically
Forest Products Laboratory, Madison, Wis. zero moisture content, and there is in general footage is based upon the green, the air dry or
no basis on which either the purchaser or the the kiln-dry condition. If the term 'air dry' be
"Interest in the kiln drying of lumber," writes
Mr. Thelen, "has grown by leaps and bounds in seller can determine whether the stock has been used, an explanation should be made showing at
properly dried and is at a suitable moisture what moisture content the stock shall be con-
the last few years. This interest is not confined
content. It is easy enough to tell how much sidered air dry. The kiln-drying specification
to any one region or any one group of species,
but is found throughout the timber-producing stock there is and whether or not it is on grade should include standard methods of making
and lumber-consuming regions. The causes for so far as the ordinary visible defects are con- moisture determinations and standard tests for
this awakening interest are manifold. Among cerned. There are standard methods of meas- casehardening, and should indicate permissible
them may be mentioned better knowledge of the urement and standard grading rules by which variations in moisture and permissible amount
possibilities and limitations of kiln drying, eco- this can be done but there is no standard rule of stress for standard conditions. Any varia-
nomic conditions which make it desirable to by which the seasoning process can be gauged. tions from the standard required by individual
conditions can be made part of the sales con-
ship stock in as dry a condition as possible in
"It is just as important that the stock be of
order to save freight, the possibility of cutting proper quality so far as seasoning is concerned tract. The contract will also have to include a
down the amount of stock on hand and of avoid- as it is that it be of proper quality so far as clause showing who is to bear the responsibility.
ing stain and other losses frequently occurring grade is concerned, and it is necessary that
in air seasoning, and the realization of the fact
suitable drying specifications be provided so
that in many cases stock kiln dried at the mill
that the quality from the seasoning stand-
or in transit can be used by the consumer with- point may be accurately determined. The ad-
The Reaxjniied Standard
out additional drying. One of the immediate vantages to be derived from a standard drying
results of these conditions has been a rapid de- specification are so obvious and so far outweigh
velopment in the sale of kiln-dried stock by the any disadvantages that they require no discus-
mill man. The consumer without adequate dry- sion. This standard specification should be of a
ing facilities can purchase kiln-dried stock and technical character and should be limited to the
thus avoid the necessity of installing and operat-
matter of drying alone. It could then be applied
r
ing drying equipment of his own. Various mills
to standard sales contracts in any way which
in different regions are making a specialty of the might be desired.
The originator ofthese
sale of kiln-dried lumber and dimension mate-
"To be entirely satisfactory a kiln-drying
Quality Products
rial, and the number of these mills is constantly
specification must cover adequately and con-
Prices on application/
increasing.
cisely a number of points about as follows:
"The industry finds itself with no adequate
"1. The moisture content and moisture distri-
LJ.MUTTYCO. 1
specification or recognized trade practice con- bution of the dried stock.
BOSTON, MASS.. U.S.A.
"2. The conditions of the stock as regards vis-
ible defects ordinarily covered by the grading
rules.
Mutty's
^jjsi Player Piano Fabrics
^
and Tubing
Write for a sample can of Behlen's
Varnish Crack Eradicator and try it.
Once you learn how much it means to
you in the saving of time on your refin-
ishing jobs by eliminating the necessity
of scraping off old varnish and shellac,
and how much more satisfactory are
the results, because of the better sur-
face it gives to work on, you, like
others, will continue to use it.
EATHER5!
A Specialty of
Pneumatic and
Pouch Skin Leathert
STYLE NO. 220
A Popular Number.
A Profitable Seller.
Write for Catalog.
THE ART NOVELTY CO., Goshen, Ind.
T.L.LUTKINSInc
4 0 SPRUCE ST.. NEW YORK.N.Y.
Write to-day.
H. BEHLEN & BRO.
Anilines
Shellacs
mTKiNsa
Leather Specially
Tanned for Player-
Pianos and Organs
Also Chamois
Sheepskins, Indiaa
and Skivers
Stains
Fillers
10-12 Christopher St., New York
Near eth AT*., and 8th St.
Worcester Wind Motor Co. §
WORCESTER. MASS
Maker* of Absolutely Satiafactorr
g
§§
WIND MOTORS for PLAYER PIANOS j
Alao all kinda of Pneumatics and Suppliea
S
PHILIP W. OETTING & SON, Inc.
213 East 19th Street. New York
Sole Agents lor
WEICKERT HAMMER AND DAMPER FELTS
GRAND AND UPRIGHT HAMMERS
Made of Weickert Felt
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