PRESTO
September 8, 1923
GLUE IN PIANO MAKING
Formula for Making Water-Resistant Product
Described in Technical Note from
U. S. Forest Service.
DEVELOPED FROM BLOOD
Formula for Interesting Industrial Process Given in
Special Report From Madison, Wis.
A water-resistant cold press blood albumen glue is
described in Technical Note No. 202 from Forest
Products Laboratory, U. S. Forest Service, Madison,
Wis., which says:
A formula and method of preparation for a highly
water-resistant cold press blood albumin glue devel-
oped at the Forest Products Laboratory, is given
below. This glue does not require hot pressing as
do the older types of blood albumin glues, but is
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used in a cold presr. in the same manner as casein
or vegetable glues. It can, however, be used in a hot
press if the occasion demands. The improved glue
can be used with success in the production of ply-
wood and for gluing lumber of the species having
low shearing strength, but in the stage of development
which has produced the formula and preparation
described here, it cannot be recommended for gluing
thick veneer or lumber of heavy dense species. Fur-
ther cievtlopmcnt may make the glue strong enough
for use with all species. The glue shows a moisture
resistance far superior to that of any glue in ordinary
use at the time of its discovery.
The formula is as follows: 100 parts by weight of
soluble blood albumin; 140 to 200 parts by weight
of water (according to glue consistency desired); Sy 2
parts by weight of ammonium hydroxide (Sp. gr.
0.90; 15 parts by weight of trioxymethylene (para-
formaldehyde).
The blood albumin is covered with water and the
mixture is allowed to stand for an hour or two. When
it is stirred at the end of this period, the blood albu-
min will for the most part go into solution. The
ammonium hydroxide is added with more stirring.
Then the trioxymethylene is sifted in, and the mixture
stirred constantly at a fairly high speed. The tri-
oxymethylene should not be poured in so rapidly as
to form lumps nor so slowly that the mixture will
thicken before the required amount has been added.
Regardless of the manner in which the trioxymethy-
lene is added the mixture will thicken considerably
at this point. This thickened mass will become fluid
again in a short time at ordinary room temperature
and arrive at a good working consistency in about
an hour, remaining in this condition for at least 6
or 8 hours. When this glue finally hardens it can-
not be dissolved again in water. The glue may be
applied by means of a brush or mechanical spreader.
Several precautions should be observed in mixing
and applying this type of blood albumin glue: Weigh
out all constituents. Do not use volumetric measure.
Add water at room temperature and do not heat the
mixture. Do not stir the blood until it has soaked for
from 1 to 2 hours. Avoid excessive stirring of the
glue or agitation of the spreader, as this causes foamy
glue. Use sufficient pressure to insure good contact
but not enough to crush the wood.
The fact that cold press blood albumin glue will
solidify under water indicates that the "setting" of
this glue is a chemical action and not a result of
evaporation.
21
The Background
A BUSY ROLL
DEPARTMENT
COLUMBIA
WORD ROLLS
September Releases
071
670
THE SALZBURG FESTIVAL.
The festival of Modern Chamber Music arranged
by the International Society for Contemporary
Music took place August 2-7, at Salzburg. Thirty-
four composers were represented, among them such
outstanding names as Schonberg, Bartok, Florent-
Schmitt, Krenek, Prokofieff, Savel, Stravinsky,
Honegger, Malipiero, Szymanowski, Haba, de Falle,
Busoni, Milhaud, Paulenc, Castelnuovo-Tedesco,
Kodaly and Hindemith, while Great Britain is repre-
sented by Arthur Bliss's Rhapsody, the string quar-
tette of W. T. Walton, and Valses Bourgeoises of
Lord Berners. Among the pianoforte works America
contributed Emerson Whithorne's "New York
Nights and Days."
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TUNERS——
BASS STRINGS
605
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663
662
(id I
660
659
658
.657
655
654
To Retail at
Special attention given to the needs of the tuner and
the dealer
OTTO R. TREFZ, Jr.
2H0 Fairmount Avenue
PHILADELPHIA, PA.
PIAN0 PLATES
FAIRBANKS
THE FAIRBANKS CO., Springfield, Ohio
PERFECTION
PLAYER ROLL CABINET
Furnished in 5 ply veneered 13/16 stock in
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Designed and
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75
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By
Capacity, 150 Rolls
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668
667
666
Title:
Played by:
Do you, Don't You, Will You, Won't You
Wayne Lovo Fox-trot
Oh! Gee, Oh! Gosh, Oh! Golly, I'm in Love
Florence Sanger Fox-Trot
Ballad
Kiss Me With Your Eyes
Waltz
Indiana Moon
Florence
Sanger
Nell Morrison
Dusting g the Keys
Wayne
Love Fox-trot
y
y
No One LoveH You Any Better Than
Your M-A Double M-Y
Nell Morrison Fox-trot
Hi I>e, Hi Lo
Nell Morrison Fox-trot
I Ain't Never Had Nobody Crafcy Over Me
James Blythe Fox-trot
The Gold Digger (Dig a Little Deeper) '
Wayne Love Fox-trot
No, No, Nora
Paul Jones Fox-trot
Hot Roasted Peanuts
Wayne Love Fox-trot
I've (Jot the "Yew! We Have No
Banana" Ulues
James Blythe
Blues
Trust Me and I'll Trust You
Wayne Love Fox-trot
My Sweetie Went Away Art Gilham Fox-trot
Wanita
Nell Morrison
Ballad
Page 1'aderewski
Nell Morrison Fox-Trot
Cut Yourself a Piece of Cake
James Blythe Fox-trot
CHICAGO
22 S. Peoria St.
CHICAGO
ILL.
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All Rights Reserved. Digitized from the archives of the MBSI with support from NAMM - The International Music Products Association (www.namm.org).
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