Year: 1887

page_text: Date of Application, 30th Apr., 1887.
Complete Left, 2nd July, 1887.
Complete Accepted, 2nd Aug., 1887.
I GUSTAV OSKAR HAGSPIEL of Dresden, in the Kingdom of Saxony, Manufacturer
do hereby declare the nature of this invention to be as follows:-
This invention relates to stringed musical instruments especially to violins, violas,
and similar instruments and consists in certain improvements in construction by which
the tone of the violin or other instruments is increased and developed in the new
instrument instead of formerly after the lapse of considerable time.
The new construction is designed to obviate as far as possible pressure on the belly
of the instrument and to render the latter more capable of responding to the vibrations
of the strings.
The side frame of the improved instrument is made of great strength against
upward curvature and longitudinal compression, for this purpose it is preferably pro-
vided with longitudinal stays or supports. The belly of the instrument is preferably
formed by pressure from a thin sheet of the usual wood instead of being cut or carved
to the required curvature from a comparatively thick plank.
The "" or sound holes are omitted and the belly rigidly secured to the sides or
frame. The sound holes are arranged in the sides of the frame and may be circular
holes of any size and number, bored or cut vertically through said sides. The sound
post is inserted through the back and is provided at its foot with a screw thread
moving in a nut fixed in the back, this arrangement of the sound post enables the
pressure against the under surface of the belly to be adjusted, and the sound post to
be withdrawn if needed.
HERBERT & Co.,
Agents to Applicant.

page_text: I, GUSTAV OSKAR HAGSPIEL, of Dresden in the Kingdom of Saxony, Manufacturer,
do hereby declare the nature of my invention, and in what manner the same is to
be performed, to be particularly described and ascertained, in and by the following
statement:
This invention relates to stringed musical instruments, especially to violins, violas
and similar instruments and consists in certain improvement in construction by which
the tone of the violin or other instrument is increased and immediately developed in
the new instrument instead of formerly after the lapse of considerable time.
The new construction is designed to obviate as far as possible pressure on the belly
of the instrument and to render the latter more capable of responding to the vibrations
of the strings.
The side frame of the improved instrument is made of great strength against
upward curvature and longitudinal compression, for this purpose it is preferably
provided with longitudinal stays or supports. The belly of the instrument is pre-
ferably formed by pressure from a thin sheet of the usual wood instead of being
cut or carved down to the required shape or curvature from a comparatively
thick piece."
The "for sound holes are omitted and the belly rigidly secured to the sides or
fraine. The sound holes are arranged in the sides of the frame and may be circular
holes of any size and number bored or cut vertically through said sides. These
sound holes may be provided with dampers if desired. The sound post is inserted
through the back and is provided at its foot with a screw thread moving in a nut
fixed in the back, this arrangement of the sound post enables the pressure of the same
against the under surface of the belly to be adjusted and the sound post to be withdrawn
if needed.
Referring to the accompanying drawings showing an instrument constructed in the
improved manner,
Fig. 1 is a plan view of the body of the instrument with belly removed and partly
sectioned.
Fig. 2 is a central section of the body as upon line P. P. Fig. 1. Fig. 3 is a cross
section on line R R Fig. 1 and Fig 4 a section on line SS Fig. 2.
A is the frame of the body. Ba central bar supporting mainly the strain caused
by the tension of the strings. E is the belly. D the back. b is the sound post having
the threaded end and inserted into and supported by the nut d fixed in the back D.
fare the holes replacing in use the ordinary "f" holes in the belly. These said
holes are bored in the sides of the frame A near to the waist and are preferably
arranged parallel to each other and vertically to the central line PP of the
instrument.

page_text: Having now particularly described and ascertained the nature of my said invention
and in what manner the same is to be performed, I declare that what I claim is :-
In violins and similar stringed instruments:
1. A frame A and longitudinal bar or bars B of sufficient strength to withstand the
pressure of the strings--substantially as and for the purpose set forth.
2. A frame A having holes f substantially as and for the purpose set forth.
3. The screw threaded sound post b in combination with the nut d, substantially as
set forth.