AT162367B - Rechenmaschine, insbesondere für Lehrzwecke - Google Patents

Rechenmaschine, insbesondere für Lehrzwecke

Info

Publication number
AT162367B
AT162367B AT162367DA AT162367B AT 162367 B AT162367 B AT 162367B AT 162367D A AT162367D A AT 162367DA AT 162367 B AT162367 B AT 162367B
Authority
AT
Austria
Prior art keywords
calculating machine
teaching purposes
teaching
purposes
calculating
Prior art date
Application number
Other languages
English (en)
Inventor
Eduard Kessler
Original Assignee
Eduard Kessler
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 Eduard Kessler filed Critical Eduard Kessler
Application granted granted Critical
Publication of AT162367B publication Critical patent/AT162367B/de

Links

AT162367D 1947-04-02 1947-04-02 Rechenmaschine, insbesondere für Lehrzwecke AT162367B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT162367T 1947-04-02

Publications (1)

Publication Number Publication Date
AT162367B true AT162367B (de) 1949-02-25

Family

ID=3651473

Family Applications (1)

Application Number Title Priority Date Filing Date
AT162367D AT162367B (de) 1947-04-02 1947-04-02 Rechenmaschine, insbesondere für Lehrzwecke

Country Status (1)

Country Link
AT (1) AT162367B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE859972C (de) * 1950-09-30 1952-12-18 Heinrich Welchering Schulrechenvorrichtung
DE19828744A1 (de) * 1997-10-23 1999-04-29 Joannis Zigaris Spielzeug zum Lernen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE859972C (de) * 1950-09-30 1952-12-18 Heinrich Welchering Schulrechenvorrichtung
DE19828744A1 (de) * 1997-10-23 1999-04-29 Joannis Zigaris Spielzeug zum Lernen

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