AT68435B - Arithmetic teaching aids. - Google Patents
Arithmetic teaching aids.Info
- Publication number
- AT68435B AT68435B AT68435DA AT68435B AT 68435 B AT68435 B AT 68435B AT 68435D A AT68435D A AT 68435DA AT 68435 B AT68435 B AT 68435B
- Authority
- AT
- Austria
- Prior art keywords
- teaching aids
- arithmetic teaching
- arithmetic
- fingers
- desc
- Prior art date
Links
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Description
<Desc/Clms Page number 1>
Rechenlehrmittel.
Der Gegenstand der vorliegenden Erfindung bilden Rechenvorrichtungen für Schule und Haus, deren wesentliche Einrichtung darin besteht, dass jeder Zehner durch eine Figur - in einfachster Form durch eine Kinderbrustngur-dargestellt wird, mit halberhobenen Händen und mit auogespreizten Fingern, wobei die Finger mittels Scharnieren a einzeln nach vorn ab-und wieder aufgeklappt werden können und durch ein Scharniermittelstück am Zurückfallen gehindert sind, wf > iters, dass (bei Rech < < nvorrichtungen mit
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auf einer Unterlage angeordnet und darauf einzeln drehbar sind.
Eine einzelne Figur auf einer beliebigen Unterlage ist die Rechellvorrichtung für den Zahlenraum von 1 bis 10.
Für den Zahlenraum von 1 bis 100 sind zehn Figuren stufenförmig übersichtlich auf einer handlichen, durch ein Mittenscharnier b zusammenlegbaren Unterlage einzeln drehbar befestigt.
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Arithmetic teaching aids.
The subject of the present invention are arithmetic devices for school and home, the essential feature of which is that every tenth is represented by a figure - in the simplest form by a child's chest strap - with half-raised hands and with fingers spread out, the fingers individually by means of hinges can be opened and unfolded to the front and are prevented from falling back by a central hinge piece, wf> iters that (for computing devices with
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are arranged on a base and individually rotatable on it.
A single figure on any surface is the calculator for the number range from 1 to 10.
For the number range from 1 to 100, ten figures are clearly arranged in steps on a handy base that can be collapsed by means of a central hinge b and are individually rotatable.
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** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT68435T | 1913-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT68435B true AT68435B (en) | 1915-04-10 |
Family
ID=3590323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT68435D AT68435B (en) | 1913-05-19 | 1913-05-19 | Arithmetic teaching aids. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT68435B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3425139A (en) * | 1967-05-26 | 1969-02-04 | Aleene F Smith | Modern math and reading teaching-aid-game |
-
1913
- 1913-05-19 AT AT68435D patent/AT68435B/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3425139A (en) * | 1967-05-26 | 1969-02-04 | Aleene F Smith | Modern math and reading teaching-aid-game |
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