DE11824C - School writing board - Google Patents
School writing boardInfo
- Publication number
- DE11824C DE11824C DENDAT11824D DE11824DA DE11824C DE 11824 C DE11824 C DE 11824C DE NDAT11824 D DENDAT11824 D DE NDAT11824D DE 11824D A DE11824D A DE 11824DA DE 11824 C DE11824 C DE 11824C
- Authority
- DE
- Germany
- Prior art keywords
- writing board
- board
- ink
- parchment paper
- school
- 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.)
- Active
Links
- 239000011088 parchment paper Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000001264 neutralization Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229920000591 gum Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
1880.1880.
Klasse 70.Class 70.
BERNHARD SCHMIDT in SACHSENHAUSEN-FRANKFURT a. M.BERNHARD SCHMIDT in SACHSENHAUSEN-FRANKFURT a. M.
Schulschreibtafel.School writing board.
Patentirt im Deutschen Reiche vom 16. Mai 1880 ab.Patented in the German Empire on May 16, 1880.
Die neue Tafel besteht im wesentlichen aus einem auf beiden Seiten mit Pergamentpapier überzogenen Pappdeckel, während die- bei derselben zur Verwendung kommende Flüssigkeit aus gepulvertem, in Wasser in Suspension gehaltenen Röthel oder aus mit Wasser verdünnter, unter dem Namen Neutral tin te No. ι bekannter schwarzer Farbe besteht.The new board consists essentially of one on both sides with parchment paper coated cardboard lid, while the liquid used in the same from powdered Röthel kept in suspension in water or from diluted with water, under the name Neutral tin te No. ι known black color.
Die Tafel wird in der Weise hergestellt, dafs man einen Pappdeckel von entsprechender Höhe (27 X 19 cm) auf beiden Seiten mit einem Ueberzug von starkem Pergamentpapier versieht. Man mufs beide Seiten gleichzeitig überziehen, damit sich der Pappdeckel nicht verziehe. Nach dem Trocknen bringt man mit gewöhnlicher Schreibtinte oder mit haltbarer blauer Tinte die gewünschte Lineatur an und umgiebt das Ganze mit einem hölzernen Rahmen. Wenn der Pappdeckel an und für sich weifs ist, bedarf es des ersten Ueberzuges von weifsem Papier (der nur dazu dienen soll, der mit Pergamentpapier überspannten Tafel eine schöne weifse Farbe zu geben) natürlich nicht.The board is made in such a way that a cardboard cover of the appropriate height is used (27 X 19 cm) covered with a thick parchment paper on both sides. You have to cover both sides at the same time so that the cardboard lid does not warp. After drying, bring with ordinary writing ink or with durable blue Ink the ruled lines you want and surround the whole thing with a wooden frame. if the cardboard cover is in and of itself white, the first coat of white is required Paper (which is only intended to give the parchment-covered board a beautiful white color) of course not.
Der zur Herstellung der Schreibtinte für diese Tafel zur Verwendung kommende Röthel mufs fein pulverisirt sein und wird mit Wasser versetzt, dem man vortheilhaft etwas Gummi arabicum beifügt. Will man schwarze Tinte haben, so nimmt man jene unter dem Namen Neutraltinte No. 1 im Handel erhältliche teigartige Farbe, die man mit einer entsprechenden Menge Wassers verdünnt. Zum Schreiben bedient man sich sehr weicher Stahlfedern oder Kautschukfedern.The Röthel must be used to produce the writing ink for this board finely pulverized and mixed with water, to which a little gum can advantageously be added add arabic. If you want black ink, you take it under the name Neutral ink No. 1 commercially available dough-like color that can be matched with a corresponding Amount of water diluted. For writing one uses very soft steel nibs or Rubber springs.
Die mit der beschriebenen Farbe oder Tinte auf die Tafel aufgetragene Schrift läfst sich mit einem nassen Schwämme leicht wegwischen, worauf man die Tafel mit einem Läppchen abtrocknet. Sollte die Tafel mit der Zeit schmutzig werden, so kann man sie mit Seife und Bürste leicht reinigen.The writing applied to the board with the described paint or ink goes along with it Gently wipe away with a wet sponge and then dry the board with a cloth. If the board gets dirty over time, it can be cleaned with soap and a brush easy to clean.
Will man von dem Gebrauche der Tinte Abstand nehmen, so kann man auch mit weichem Bleistift schreiben lassen, der sich ebenfalls leicht wegwischen läfst.If one wants to refrain from using the ink, one can also use soft ink Have a pencil written, which can also be easily wiped away.
Claims (2)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE11824C true DE11824C (en) |
Family
ID=289075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT11824D Active DE11824C (en) | School writing board |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE11824C (en) |
-
0
- DE DENDAT11824D patent/DE11824C/en active Active
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