Improvements in Drawing and Painting Slates, applicable also for Displaying Pictures.
Year: 1893

page_text: Date of Application, 13th Sept., 1893
Complete Specification Left, 13th July, 1894--Accepted, 13th Oct., 1894
PROVISIONAL SPECIFICATION.
Improvements in Drawing and Painting Slates, applicable also for
Displaying Pictures.
EDWARD GREENFIELD, 29, Victoria Road, Peckham, Manufacturer, do hereby
declare the nature of this invention to be as follows:
My improvement in drawing slates relate to the usual child's transparent slate
having a face of ground or surfaced glass behind which pictures are placed as the
copy for the child, but which as now constructed necessitates the removal of the
back of the slate when a fresh object or change of subject is desired; the copies or
various subjects being printed upon several or one large sheet, the transferrence
necessitates the folding and re-folding of the subjects in each change of copy; a
difficult thing for a child to accomplish and frequently not done without the aid of
one of older years. This feature has often proved a detraction to what otherwise
would be a pleasant and sensible form of amusement. In my drawing slate I
provide or print the subjects or pictures on one continuous sheet each subject
following on in rotation and these I mount upon a spindle or roller in roll form
affixed to, upon, or within, the frame of the drawing slate the roller, spindle or
the like being furnished with knob, handle, cord or other means for turning or
rotating the same. The subjects pass on in succession as required, by simply
turning or operating the spindle or roller upon which they are wound. I preferably
use two or three spindles so that as they pass behind and leave the glass surface
from one roller or spindle, they are rolled up upon another.
When the series of subjects are exhausted the pictures can be drawn back by
reversing the motion of spindle or roller, or carried forward by an additional
attachment to the same end.
This easy process and arrangement of picture subjects I use if desired without
the medium of ground or surfaced glass providing at times clear glass, then it forms
a source of delight as a panoramic slate, by which a nurse can amuse her young
charge with a series of views more convenient than that of a book.
The mounting of the subject upon a spindle or roller in conjunction with a
ground, or plain glaze frame as a child's drawing slate &c. is one of the essential
features of my invention. The method of mounting these spindles or rollers is
immaterial so long as the end in view is considered with a slate so called, for the
purpose of a more convenient and facile transferrence of the picture subjects across
the transparent face of the drawing or panoramic slate. In the construction of
these I use an attachment which raises the slate at one end holding it in a sloping
position providing for the more convenient use or manipulation of same.
In the drawing slate this attachment may be in conjunction with the spindle or
roller such as a shield to cover the same. In this form in use it fulfils the two-fold
purpose of protector for the picture subjects, and a bearing for keeping the slate in
a raised position. The subject sheet may be controlled by a spring adjustment for
rolling.
In another form I construct an annular frame instead of the usual oblong or
square shape and by an arrangement of a central pivot I rotate a series of subjects
in sectional, disc or other form. For scholastic purposes in distinction to mere
recreative enjoyment; for use in our Board Schools in the junior divisions and for
kindergarten purposes this apparatus may be employed with most satisfactory
results. The printed sheet or subjects in colours also offer an easy method of
tuition; by painting upon the glass which overlays the subject there may be
reproduced the forms and colours of the copy. Again in its employment for

page_text: instruction in the shaping and forming of letters and numerals from the printed
copy great economy may be effected.
In another form I employ a fibrous transparent medium such as rice paper in the
place of glass which overlays the drawing or painting subjects and upon which
surface the copy is taken.
Dated thin 10th dox of dust 1293
°
COMPLETE SPECIFICATION.
Improvements in Drawing and Painting Slates, applicable also for
Displaying Pictures.
I, EDWARD GREENFIELD, of 625 Chiswick High Road, Kew, Manufacturer, 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 improvements in drawing slates relate to the usual child's transparent slate
having a face of ground or surfaced glass, behind which pictures are placed as the
copy for the child, but which as now constructed necessitates the removal of the
back of the slate when a fresh object or change of subject is desired, as the copies
or various subjects being printed upon one large sheet, the transferrence necessitates
the folding and refolding of the subjects in each change of copy, or the transferring
of sheets it single; a difficult thing for a child to accomplish and frequently not
done without the aid of one of older years. This feature has often proved a
detraction to what otherwise would be a pleasant and instructive form of
amusement.
And in order that my invention may be thoroughly understood, I now proceed to
describe the accompanying drawing thereof, reference being had to letters and
figures marked thereon.
Figure 1, is a front elevation of the drawing slate.
Figure 2, is a section on line A. B.
Figure 3, is an alternate arrangement with a platform which can be fitted to a
drawing slate for the purpose of working the continuous roll sheet perpendicularly
or horizontally. This figure is broken off for want of space.
In any drawing slate, I provide or print the subjects, designs, or pictures, in a
continuous roll sheet a, each of the several subjects following on in rotation, and
these sheets I mount upon a spindle or roller b in roll form, affixed to, upon, or
within, the frame e of the drawing slate. The roller spindle bor the like being
furnished with knob d, handle, cord or other means for turning or rotating the
same so that I have a frame, or foundation g, within, or upon which, mounted
subjects are rotated or revolved. The subjects pass on in succession as required
by simply turning or operating the spindle or roller b upon which they are wound.
I preferably use two or three spindles so that as they pass behind and leave the
transparent surface, from one roller or spindle they are rolled up upon another.
When the series of subjects are exhausted the pictures are drawn back by reversing
the motion of spindle or roller b. This easy process and arrangement of picture
subjects, I use if desired without the medium of ground or surfaced glass e providing
at times clear glass, then it forms a source of delight as a panoramic slate by which
a nurse can amuse her young charge by a series of views more convenient than that
of a book. The mounting of the subject upon a spindle or roller, in conjunction
with a glazed frame as a child's drawing slate is one of the essential features of
my invention. The method of mounting these spindles or rollers 6 is immaterial,
so long that the end in view is considered, for the purpose of a more convenient
and facile transferrence of the picture subjects across the transparent face of the
drawing or panoramic slate. In the construction of this apparatus I use any
suitable attachment fixed to the back which raises the slate at one end, holding it

page_text: game.
in a sloping position, providing for the more convenient use or manipulation of
In the drawing slate this attachment, may be a covering over the picture
subjects or a cover which would form a bearing for keeping the slate in a raised
position.
The subject sheet may be controlled by a spring adjustment for rolling.-In
another form I construct an annular frame instead of the usual oblong or square.
shape, and by an arrangement of a central pivot I rotate a series of subjects in
sectional design, or other form. For scholastic purposes in distinction to mere
recreative enjoyment-for use in our Board Schools in the junior divisions and for
kindergarten purposes, these apparatuses may be employed with most satisfactory
results.
The printed sheets or subjects in colors offer an easy method of instruction in-
tinting. By painting upon the glass, or other medium which overlays the subjects.
there may be reproduced the forms and colors of the copy. Again in its
employment for instruction, in shaping and forming of letters, and numerals from
the printed copy, great economy may be effected.
In carrying out my invention I mount the designs, or subjects or the like upon a
spindle, or roller b, in such a manner that it may be rotated and by rotation caused
to display the subjects rolled upon them in order as desired, for the purpose of
providing copies for drawing, painting or the like. The subjects having an overlay
of any transparent or semi-transparent medium. This overlaying medium being
for the purpose of receiving the copy.
This medium may be of glass prepared linen or other fibre or prepared paper.
In another form as in Fig. 3, my apparatus I construct merely with a platform i,
upon which the copy bearing spindle is mounted and the medium for receiving the
copy is contained in or upon a frame which has hinges so as to open, for a more
facile access to the picture subjects or designs.
I use in combination with this mode of construction a spring screw eye having
an opening and closing section, so that the spindle may be placed within the eye
which forms the bearing, with comparative ease, and without removal of the bearings
themselves. In other qualities I mount the subject bearing, spindle or spindles
upon or within a frame having the medium overlaying the subject and the back
pivoted so as to be displaced from the closing position, affording without the
detachment or removal of any fastening easy access to the spindle.
Again in another design I construct a platform and beneath the plate or
platform which may be card, board, or any composition or metal, I mount the
spindle enclosed within a box-like chamber, the handle, knob or other turning
factor, of the spindle protruding from the sides thereof, the pictures or designs are
carried up from the spindle b passing through a slot f in the platform and propelled
across its face. This platform has a slot at each end, the copies carried across the
platform pass through the 2nd slot and are received upon a 2nd spindle beneath.
when Fig. 3, placed perpendicularly.
Any of these forms of construction permits of a more facile method of replenish-
ment of subjects for copy than hitherto. In the preparation of pictorial designs
for copying, I prepare or print them in long sheets having one or more plain or
vacant sections the blanks being for the purpose of a back-ground to show up the
details of the painted or drawn copy. In some qualities the overlay may be
sequent with the copies, capable of travelling forward and backward as required
and wound upon the same spindle as the design, overlaying and travelling in exact
ratio, or another spindle is employed to receive the medium used for the copy.
The circular shape slate is operated in sections from a central pivot.
Having now particularly described and ascertained the nature of my said inveu-.
tion, and in what manner the same is to be performed, I declare that what I
claim is
1. A drawing or painting apparatus furnished with rotating spindles. rollene
ди

page_text: for the display of picture subjects placed thereon in roll form in combination with
an overlaying transparent surface of any kind upon which the subjects may be
drawn; painted and through which they may be viewed.
2. A drawing or picture frame having in conjunction therewith a roller or spindle
capable of being revolved for the purpose of display of pictures or designs.
3. In a drawing or picture frame the combination of a spindle capable of being
revolved to operate & display pictures or designs having also in combination a
transparent or semi-transparent overlaying medium.
4. A child's drawing, painting, writing or picture slate or the like in which the
pictorial subjects or designs are displayed and transmitted by the means of a
revolving roller or spindle, the subjects being mounted thereon or therein, and
having an overlay of any transparent or semi-transparent medium.
5. A drawing, painting, writing or picture slate in which the subjects are
mounted below the base or platform, and are carried up through grooves, the
subjects being transmitted by rotary process across the base or platform which
forms a stretcher for the designs displayed.
6. The mounting of pictures, designs and the like upon a base covered by an
overlay of any suitable medium for drawing, painting, writing display, having a
frame, or back hinged, or pivoted, for a more easy access to the copy.
7. In a drawing, painting slate or the like, the use of a series of pictures or
designs the series being interspersed with one or more blanks as a set off to reveal
the subject copies.
Dated this 13th day of July 1894.