Improvements in Apparatus for Copying Drawings and the like.
Year: 1895

page_text: Date of Application, 10th Aug., 1895
Complete Specification Left, 25th Sept., 1895-Accepted, 2nd Nov., 1895
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Copying Drawings and the like.
I, ARTHUR HARRIS of No. 40, Russell Road, South Wimbledon in the County
of Surrey, Schoolmaster, do hereby declare the nature of this invention to be as
follows:-
My invention refers to improvements in a well known drawing apparatus, and
has for its object the construction of a simple form of apparatus for the purpose of
enabling drawings to be copied by tracing the reflection.
In order that my invention may be clearly rendered, reference may be had to
the accompanying sheet of drawings in which Fig. 1. is an external plan view, and
Fig. 2 a sectional elevation of the improved drawing apparatus. Similar letters of
reference are used to indicate like parts in both views.
In constructing a drawing apparatus according to my invention, I employ a
small sheet of glass a, Fig. 2, for a reflector held in an upright position by means
of a grooved frame b, which is rebated at a certain height on one side to a leg e, so
as to admit the hand of the draftsman to work freely underneath the said reflector
and thereby trace the image appearing on paper on the reverse side. The whole
is supported in an erect position by the foot f. The frame, leg, and foot may be
constructed of wood or other suitable material.
Dated this 10th dex of August 1895.
ARTHUR HARRIS,
Applicant.
Improvements in Apparatus for Copying Drawings and the like.
I, ARTHUR HARRIS of No. 40, Russell Road, South Wimbledon in the County
of Surrey, Schoolmaster, do hereby declare the nature of this invention and in
what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:—
My invention refers to improvements in a well known drawing apparatus, and
has for its object the construction of a simple form of apparatus for the purpose of
enabling drawings to be copied by tracing the reflection.
In order that my invention may be clearly rendered, reference may be had to the
sheet of drawings left with the Provisional Specification, in which Fig. 1. is an
external plan view, and Fig. 2. a sectional elevation of the improved drawing
apparatus. Similar letters of reference are used to indicate like parts in both
views.
In constructing a drawing apparatus according to my invention, I employ a
small sheet of glass a, Fig. 2 for a reflector held in an upright position by means
of a grooved frame b, which is rebated at a certain height on one side to a leg e,
so as to admit the band of the draftsman to work freely underneath the said
reflector, and thereby trace the image appearing on paper on the reverse side. The
whole is supported in an erect position by the foot f. The frame, leg and foot may
be constructed of wood or other suitable material.

page_text: The mode of using my said drawing apparatus is as follows:—
The draftsman being seated at a table, stands the drawing apparatus thereon in a
convenient position, with the reflector a, towards the right. The copy to be drawn
from is inverted and placed on the table directly in front of the reflector a, and
parallel with it. The paper to draw on is next placed on the table on the other
side of the reflector o, parallel and in the same plane with the drawing copy. The
draftsman looks obliquely through the reflector a, from the top of the frame b, and
plainly discerns the image of the drawing copy reflected on the paper, and proceeds
to trace the same with pencil or pen. In order to make the reflection appear as
distinct as desired, the draftsman places his left arm round the leg e. and shades
the reflection by holding the left hand in position for the purpose.
A drawing
board may be used in preference to the plane of the table, as the drawing copy
and also the paper to be drawn on could be fixed to the same by means of
drawing pins.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is―
First. In a drawing apparatus, the combination of parts whereby the reflector
is supported on one side, at a certain height, and in an erect position, substantially
as herein described and shown, with reference to the sheet of drawings left with
the Provisional Specification.
Second. In a drawing apparatus, the combination of parts enabling the hand
of the draftsman to work freely underneath the reflector, substantially as described
and shown herein.
Third. In a drawing apparatus, the combination of parts enabling the draftsman
to shade the reflection by holding the left hand in a convenient position for that
purpose, substantially as described and shown herein.
Dated this 24th day of September 1895.
ARTHUR HARRIS,
Applicant.