US56903A - And heney j - Google Patents
And heney j Download PDFInfo
- Publication number
- US56903A US56903A US56903DA US56903A US 56903 A US56903 A US 56903A US 56903D A US56903D A US 56903DA US 56903 A US56903 A US 56903A
- Authority
- US
- United States
- Prior art keywords
- card
- copy
- printed
- henry
- ink
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000004075 alteration Effects 0.000 description 6
- 206010022114 Injury Diseases 0.000 description 2
- 241000282941 Rangifer tarandus Species 0.000 description 2
- 210000002356 Skeleton Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/10—Writing surfaces thereof
Definitions
- the object of our invention which consists in a card having the required lesson or design printed thereon, with spaces for the copy, the printed card being afterward covered with a transparent water-proof composition, upon which lead-pencil or ink may be used, and removed with ease and rapidity without injury to the card or defacing the original printed matter.
- the alphabet, skeleton map, drawing, or other design being first printed on a card or other suitable surface, it is then covered with a transparent. water-proof composition and allowed to dry.
- the pencil or ink marks may be readily removed by a damp sponge, or by moistening the finger and rubbing over them, without affecting the original lesson;
- Cards for instruction in penmanship may have the original lesson in red pencil or ink
- a skeleton-map covered with the said composition is particularly useful, as any alterations may be made withoutinjury to the map, thus making it very economical for schools where considerable are used.
- A' card or tablet first printed upon and the printing or surface covered with a transparent water-proof composition, so that the surface will receive pencil orink marks, which can be rubbed or washed off without defacing the printed matter, lesson, or design, substantially as described.
Landscapes
- Credit Cards Or The Like (AREA)
- Printing Methods (AREA)
- Electrically Operated Instructional Devices (AREA)
Description
UNITED STATES PATENT OFFICE.
' HENRY A. CLARK, OF BOSTON, MASSACHUSETTS, AND HENRY J. GRISWOLD,
OF NORWICH, CONNECTICUT.
WRITING AND DRAW ING CARD.
Specification forming part of Letters Patent No. 56,903, dated August 7, 1866; antedat-ed August 1, 1866.
for the copy, when once written over are ren dered unfit for further use, and much material is thereby wasted.
To prepare such cards so that erasures or alterations may be made, or the copy entirely removed, without defacing the original lessons or injuring the card, and thus allow of its being used repeatedly, is the object of our invention, which consists in a card having the required lesson or design printed thereon, with spaces for the copy, the printed card being afterward covered with a transparent water-proof composition, upon which lead-pencil or ink may be used, and removed with ease and rapidity without injury to the card or defacing the original printed matter.
To enable others skilled in the art to understand and use our invention, we will proceed to describe the manner in which we have carried it out. A
The alphabet, skeleton map, drawing, or other design being first printed on a card or other suitable surface, it is then covered with a transparent. water-proof composition and allowed to dry.
The following composition, for which an application for Letters Patent of the United States was made by Henry J. Griswold aforesaid, we have found to answer well for this purpose-via, Mungers chemically-prepared soap-stone and white shellac-varnish in about the proportion of five pounds of the former to eighteen pounds of the latter.
Spaces are left between the lessons on the alphabetical card for the copy, which may be written in lead or in ink, as preferred.
When the copy is finished, or if any alterations are to be made, the pencil or ink marks may be readily removed by a damp sponge, or by moistening the finger and rubbing over them, without affecting the original lesson;
Cards for instruction in penmanship may have the original lesson in red pencil or ink,
and the copy may be traced over them in black, by which means the scholar can acquire any style of writing in an easy andexpeditious manner.
When the geography of a country is, to be delineated a skeleton-map covered with the said composition is particularly useful, as any alterations may be made withoutinjury to the map, thus making it very economical for schools where considerable are used.
What we claim as our invention, and desire to secure by Letters Patent, is-
A' card or tablet first printed upon and the printing or surface covered with a transparent water-proof composition, so that the surface will receive pencil orink marks, which can be rubbed or washed off without defacing the printed matter, lesson, or design, substantially as described.
HENRY A. CLARK.
. H. J. GRISWOLD. Witnesses:
THos. R. ROAOH, N. W. STEARNS.
Publications (1)
Publication Number | Publication Date |
---|---|
US56903A true US56903A (en) | 1866-08-07 |
Family
ID=2126443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US56903D Expired - Lifetime US56903A (en) | And heney j |
Country Status (1)
Country | Link |
---|---|
US (1) | US56903A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3084457A (en) * | 1959-06-08 | 1963-04-09 | Andrew F Schott | Educational work sheet |
-
0
- US US56903D patent/US56903A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3084457A (en) * | 1959-06-08 | 1963-04-09 | Andrew F Schott | Educational work sheet |
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