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ES96929A1 - A system of devices to teach calculation. - Google Patents

A system of devices to teach calculation.

Info

Publication number
ES96929A1
ES96929A1 ES96929A ES96929A ES96929A1 ES 96929 A1 ES96929 A1 ES 96929A1 ES 96929 A ES96929 A ES 96929A ES 96929 A ES96929 A ES 96929A ES 96929 A1 ES96929 A1 ES 96929A1
Authority
ES
Spain
Prior art keywords
teach
calculation
devices
teach calculation
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
Application number
ES96929A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES96929A priority Critical patent/ES96929A1/en
Publication of ES96929A1 publication Critical patent/ES96929A1/en
Expired legal-status Critical Current

Links

ES96929A 1926-02-08 1926-02-08 A system of devices to teach calculation. Expired ES96929A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES96929A ES96929A1 (en) 1926-02-08 1926-02-08 A system of devices to teach calculation.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES96929A ES96929A1 (en) 1926-02-08 1926-02-08 A system of devices to teach calculation.

Publications (1)

Publication Number Publication Date
ES96929A1 true ES96929A1 (en) 1926-04-16

Family

ID=64258466

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96929A Expired ES96929A1 (en) 1926-02-08 1926-02-08 A system of devices to teach calculation.

Country Status (1)

Country Link
ES (1) ES96929A1 (en)

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