FR725755A - Meter for teaching - Google Patents

Meter for teaching

Info

Publication number
FR725755A
FR725755A FR725755DA FR725755A FR 725755 A FR725755 A FR 725755A FR 725755D A FR725755D A FR 725755DA FR 725755 A FR725755 A FR 725755A
Authority
FR
France
Prior art keywords
teaching
meter
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
Other languages
French (fr)
Inventor
Mircea C Zaganescu
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 filed Critical
Priority to FR725755T priority Critical
Application granted granted Critical
Publication of FR725755A publication Critical patent/FR725755A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00Teaching not covered by other main groups of this subclass
    • G09B19/02Counting; Calculating
FR725755D 1930-11-19 1930-11-19 Meter for teaching Expired FR725755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR725755T 1930-11-19

Publications (1)

Publication Number Publication Date
FR725755A true FR725755A (en) 1932-05-18

Family

ID=9110256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR725755D Expired FR725755A (en) 1930-11-19 1930-11-19 Meter for teaching

Country Status (1)

Country Link
FR (1) FR725755A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486260A (en) * 1945-10-31 1949-10-25 Clifford C Church Educational appliance
US3708892A (en) * 1971-01-27 1973-01-09 M Graf Educational device
US3793470A (en) * 1971-10-27 1974-02-19 B Christy Educational device
US4144657A (en) * 1977-09-30 1979-03-20 Dumovich Matt J Teaching aid for mathematics and number systems
FR2917529A1 (en) * 2007-06-15 2008-12-19 Saint Amand Alain Julien Educational measuring and dialing equipment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486260A (en) * 1945-10-31 1949-10-25 Clifford C Church Educational appliance
US3708892A (en) * 1971-01-27 1973-01-09 M Graf Educational device
US3793470A (en) * 1971-10-27 1974-02-19 B Christy Educational device
US4144657A (en) * 1977-09-30 1979-03-20 Dumovich Matt J Teaching aid for mathematics and number systems
FR2917529A1 (en) * 2007-06-15 2008-12-19 Saint Amand Alain Julien Educational measuring and dialing equipment
WO2009010657A2 (en) * 2007-06-15 2009-01-22 Alain Julien Saint Amand Educational measuring and numeration device
WO2009010657A3 (en) * 2007-06-15 2009-03-19 Saint Amand Alain Julien Educational measuring and numeration device

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