Music Trade Review
Issue: 1917 Vol. 64 N. 1 - Page 45
Music Trade Review -- © mbsi.org, arcade-museum.com -- digitized with support from namm.org
45
THE MUSIC TRADE REVIEW
face "d b" and "e c." Pressure being applied
by forcing down the hammerhead at the point
THE MAKING OF A RE-ENFORCED PIANO HAMMER
"a," the felt is squeezed into the mould, the ends
"d" and "e" gradually coming up toward the
By W. J. PFRIEMER, of Chas. Pfriemer, Inc., New York
wooden stem.
Re-Enforcement Limits Area of Expansion
In Plate 1, "a" is the point of the strip on
As originators and introducers of the re-en-
It must be borne in mind that the ends "d"
forced hammer to the trade, we feel especially which the hammerhead rests, "f d b" and "g
qualified to speak with understanding and clear- e c" arc the re-enforced ends, "b c" is the sur- and "e" and the surface "d b" and "e c," "d f"
ness as to just what virtues are claimed for it, face which forms the nose of the hammer, and and "e g," are practically petrified and inelas-
in comparison with the regular type of hammer "o" the exact center between these two points, tic, and that when pressure is applied the cen-
still in general use. As is the case with many or the logical striking point of the completed tral portion of the felt body is subjected to ex-
treme tension, and the full expansion on the
articles of special construction or design, imi- hammer on the string.
outer surface of the felt must take effect be-
tators have been so numerous and the imita-
How the Re-Enforcement Is Applied
tions so faulty that most of the vital features
The re-enforcement is applied prior to the tween the points "b" and "c," and naturally as
have been entirely lost, and the only similarity gluing of the strip to the hammerhead. This is the pull is in opposite direction the maximum
between the real and the imitation re-enforced very important as will be subsequently seen. will take place at the point "o." In the con-
hammer is the color of the re-enforcement.
struction of the ordinary
When one who should be better qualified to MODEL ~C
hammer this expansion takes
know makes the statement in public that "re-
place between the points "d"
enforcement is only a talking point," that he
and "e," or along the full
HAMMER,
"really thinks it injures the hammer," and that
width of the strip, with a
MOULDING
the re-enforcement of the hammer was pro-
considerable loss between "d
duced by applying "celluloid cement or shellac
b" and "e c" by reason of
and French grey, and painted on the outside
the weakness of the felt at
PLATE 1.
of the hammer after it is finished," he is evi-
FIRST COVERING the beveled ends.
dently referring exclusively to one or more of
The rendering of the felt
OAI MOULDING
these imitations. In other words, he is ex-
non-extensible at the tails as
UNDER FELT
pressing an opinion entirely contradictory to
a result of the re-enforce-
the experience and practice of a world-renowned
ment, and the limiting of the
manufacturer of pianos who is and has been
area of expansion to the
using for years a number of features embodied
nose of the hammer between
in the re-enforcement, and is at the same time
RE-ENFORCED _
"b" and "c," with the maxi-
questioning the judgment of a large number of
mum at the striking point
BASS END HAMMER
prominent piano manufacturers who are using
"o," insures an extremely
FELT STRIP
the Pfriemer re-enforced hammer and have
sensitive hammer, and one
found it a distinct improvement. Manufac-
which is more responsive to
turers of this character do not lend themselves
the needle of the regulator.
to "talking points," which are not backed up
Given a high-grade of wool
by actual worth.
and a sensitive nose, a hard,
B
The re-enforcement, when the right materials
resilient hammer will give
are used and they are properly applied, is a dis-
absolutely no trouble to the
tinct mechanical improvement, as we shall prove,
Pfriemer Hammer Before Completion
regulator despite statements
D
and its employment gives the. hammer certain
which
may have been made
advantages which it otherwise does not possess.
The
surface
'd
b"
and
"d
f,"
"e
c"
and
"e
g"
Now
bear
in
mind
what
has gone before and
In the accompanying drawings we show
(plate 1) a cross section of the bass end of a have been rendered absolutely hard and inelas- apply the same principles of re-enforcement to
felt strip after the re-enforcement has been ap- tic through the action of the re-enforcement, the extreme treble end above the seventy-fifth
plied, also moulding and underfelt in position and are very similar in toughness and touch to hammer. What is the result? We have a flat
before pressure has been applied; and (plate 2) a piece of sole leather similarly shaped. The felt surface instead of a thick pointed one with
a drawing of a completed hammer which has re-enforcement penetrates all the way through the re-enforcement going all the way through
at the extreme ends "d" and "e," and to a depth due to the thinness of the felt in this section'
been re-enforced.
of about on eighth of an inch on the outer sur- The points "b" and "c" are brought closer to-
gether, the distance between them measuring
barely three-quarters of an inch. Aga.in the
area of expansion is limited to the felt between
these two points, resulting after pressure has
been applied in an extremely firm treble. Not
only that, but it allows the employment of
heavier felt in this section, eliminating the fear
of filing the felt to a dangerous proximity to
the moulding to produce the desired results.
FOR
There are few regulators who have not experi-
enced this difficulty at some time or another in
connection with their work.
Stronger and Better Glue Joint
Some may be anxious to know why the bev-
eled surfaces "d f" and "e g" are re-enforced.
The answer of this is very simple, first, because
HINGES, BUTTS, CASTERS, PEDALS, FELTS,
with a hardened felt surface a better and
stronger glue joint can be made, and, second,
CLOTHS, PUNCHINGS, SWINGS, HANGERS,
MATERIALS,
TOOLS AND
SUPPLIES
PIANO MANUFACTURERS
KNOBS, LOCKS, ETC., AND A FULL LINE OF
TOOLS USED IN TUNING, REGULATING AND
REPAIRING. CORRESPONDENCE INVITED.
HAMMACHER, SCHLEMMER & CO.
NEW YORK SINCE 1848
(C on tinned on pa^c 47)
Richardson Piano Case Co.
Manufacturers of
Upright—
G rand—
Player—
Piano Cases
Established 1891
4th Ave. & 13th St.
LEOM1NSTER
: •
MASS.
45
THE MUSIC TRADE REVIEW
face "d b" and "e c." Pressure being applied
by forcing down the hammerhead at the point
THE MAKING OF A RE-ENFORCED PIANO HAMMER
"a," the felt is squeezed into the mould, the ends
"d" and "e" gradually coming up toward the
By W. J. PFRIEMER, of Chas. Pfriemer, Inc., New York
wooden stem.
Re-Enforcement Limits Area of Expansion
In Plate 1, "a" is the point of the strip on
As originators and introducers of the re-en-
It must be borne in mind that the ends "d"
forced hammer to the trade, we feel especially which the hammerhead rests, "f d b" and "g
qualified to speak with understanding and clear- e c" arc the re-enforced ends, "b c" is the sur- and "e" and the surface "d b" and "e c," "d f"
ness as to just what virtues are claimed for it, face which forms the nose of the hammer, and and "e g," are practically petrified and inelas-
in comparison with the regular type of hammer "o" the exact center between these two points, tic, and that when pressure is applied the cen-
still in general use. As is the case with many or the logical striking point of the completed tral portion of the felt body is subjected to ex-
treme tension, and the full expansion on the
articles of special construction or design, imi- hammer on the string.
outer surface of the felt must take effect be-
tators have been so numerous and the imita-
How the Re-Enforcement Is Applied
tions so faulty that most of the vital features
The re-enforcement is applied prior to the tween the points "b" and "c," and naturally as
have been entirely lost, and the only similarity gluing of the strip to the hammerhead. This is the pull is in opposite direction the maximum
between the real and the imitation re-enforced very important as will be subsequently seen. will take place at the point "o." In the con-
hammer is the color of the re-enforcement.
struction of the ordinary
When one who should be better qualified to MODEL ~C
hammer this expansion takes
know makes the statement in public that "re-
place between the points "d"
enforcement is only a talking point," that he
and "e," or along the full
HAMMER,
"really thinks it injures the hammer," and that
width of the strip, with a
MOULDING
the re-enforcement of the hammer was pro-
considerable loss between "d
duced by applying "celluloid cement or shellac
b" and "e c" by reason of
and French grey, and painted on the outside
the weakness of the felt at
PLATE 1.
of the hammer after it is finished," he is evi-
FIRST COVERING the beveled ends.
dently referring exclusively to one or more of
The rendering of the felt
OAI MOULDING
these imitations. In other words, he is ex-
non-extensible at the tails as
UNDER FELT
pressing an opinion entirely contradictory to
a result of the re-enforce-
the experience and practice of a world-renowned
ment, and the limiting of the
manufacturer of pianos who is and has been
area of expansion to the
using for years a number of features embodied
nose of the hammer between
in the re-enforcement, and is at the same time
RE-ENFORCED _
"b" and "c," with the maxi-
questioning the judgment of a large number of
mum at the striking point
BASS END HAMMER
prominent piano manufacturers who are using
"o," insures an extremely
FELT STRIP
the Pfriemer re-enforced hammer and have
sensitive hammer, and one
found it a distinct improvement. Manufac-
which is more responsive to
turers of this character do not lend themselves
the needle of the regulator.
to "talking points," which are not backed up
Given a high-grade of wool
by actual worth.
and a sensitive nose, a hard,
B
The re-enforcement, when the right materials
resilient hammer will give
are used and they are properly applied, is a dis-
absolutely no trouble to the
tinct mechanical improvement, as we shall prove,
Pfriemer Hammer Before Completion
regulator despite statements
D
and its employment gives the. hammer certain
which
may have been made
advantages which it otherwise does not possess.
The
surface
'd
b"
and
"d
f,"
"e
c"
and
"e
g"
Now
bear
in
mind
what
has gone before and
In the accompanying drawings we show
(plate 1) a cross section of the bass end of a have been rendered absolutely hard and inelas- apply the same principles of re-enforcement to
felt strip after the re-enforcement has been ap- tic through the action of the re-enforcement, the extreme treble end above the seventy-fifth
plied, also moulding and underfelt in position and are very similar in toughness and touch to hammer. What is the result? We have a flat
before pressure has been applied; and (plate 2) a piece of sole leather similarly shaped. The felt surface instead of a thick pointed one with
a drawing of a completed hammer which has re-enforcement penetrates all the way through the re-enforcement going all the way through
at the extreme ends "d" and "e," and to a depth due to the thinness of the felt in this section'
been re-enforced.
of about on eighth of an inch on the outer sur- The points "b" and "c" are brought closer to-
gether, the distance between them measuring
barely three-quarters of an inch. Aga.in the
area of expansion is limited to the felt between
these two points, resulting after pressure has
been applied in an extremely firm treble. Not
only that, but it allows the employment of
heavier felt in this section, eliminating the fear
of filing the felt to a dangerous proximity to
the moulding to produce the desired results.
FOR
There are few regulators who have not experi-
enced this difficulty at some time or another in
connection with their work.
Stronger and Better Glue Joint
Some may be anxious to know why the bev-
eled surfaces "d f" and "e g" are re-enforced.
The answer of this is very simple, first, because
HINGES, BUTTS, CASTERS, PEDALS, FELTS,
with a hardened felt surface a better and
stronger glue joint can be made, and, second,
CLOTHS, PUNCHINGS, SWINGS, HANGERS,
MATERIALS,
TOOLS AND
SUPPLIES
PIANO MANUFACTURERS
KNOBS, LOCKS, ETC., AND A FULL LINE OF
TOOLS USED IN TUNING, REGULATING AND
REPAIRING. CORRESPONDENCE INVITED.
HAMMACHER, SCHLEMMER & CO.
NEW YORK SINCE 1848
(C on tinned on pa^c 47)
Richardson Piano Case Co.
Manufacturers of
Upright—
G rand—
Player—
Piano Cases
Established 1891
4th Ave. & 13th St.
LEOM1NSTER
: •
MASS.
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