AT51039B - Arithmetic teaching aids. - Google Patents

Arithmetic teaching aids.

Info

Publication number
AT51039B
AT51039B AT51039DA AT51039B AT 51039 B AT51039 B AT 51039B AT 51039D A AT51039D A AT 51039DA AT 51039 B AT51039 B AT 51039B
Authority
AT
Austria
Prior art keywords
teaching aids
arithmetic teaching
arithmetic
numbers
aids
Prior art date
Application number
Other languages
German (de)
Inventor
John Wilson Alexander
Original Assignee
John Wilson Alexander
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by John Wilson Alexander filed Critical John Wilson Alexander
Application granted granted Critical
Publication of AT51039B publication Critical patent/AT51039B/en

Links

Landscapes

  • Preliminary Treatment Of Fibers (AREA)
  • Burglar Alarm Systems (AREA)
  • Braking Systems And Boosters (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 
 EMI1.2 
 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 
 EMI1.1
 
 EMI1.2
 

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

<Desc/Clms Page number 2> getragen sind und die Zahl der beweglichen mit den aufeinanderfolgenden Zahlen be- zeichne@en Blöckchen einer solchen Zahlenreihe entspricht, so dass beim Verschieben der EMI2.1 EMI2.2 <Desc / Clms Page number 2> are carried and the number of movable blocks denoted by the successive numbers corresponds to such a series of numbers, so that when the EMI2.1 EMI2.2
AT51039D 1910-09-30 1910-09-30 Arithmetic teaching aids. AT51039B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT51039T 1910-09-30

Publications (1)

Publication Number Publication Date
AT51039B true AT51039B (en) 1911-12-11

Family

ID=3571950

Family Applications (1)

Application Number Title Priority Date Filing Date
AT51039D AT51039B (en) 1910-09-30 1910-09-30 Arithmetic teaching aids.

Country Status (1)

Country Link
AT (1) AT51039B (en)

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