GB189321623A - A New or Improved Apparatus for Instruction in Arithmetic. - Google Patents

A New or Improved Apparatus for Instruction in Arithmetic.

Info

Publication number
GB189321623A
GB189321623A GB189321623DA GB189321623A GB 189321623 A GB189321623 A GB 189321623A GB 189321623D A GB189321623D A GB 189321623DA GB 189321623 A GB189321623 A GB 189321623A
Authority
GB
United Kingdom
Prior art keywords
arithmetic
instruction
new
improved apparatus
improved
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
Inventor
Zacharie Dufresne
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
Application granted granted Critical
Publication of GB189321623A publication Critical patent/GB189321623A/en
Expired legal-status Critical Current

Links

GB189321623D 1893-11-13 1893-11-13 A New or Improved Apparatus for Instruction in Arithmetic. Expired GB189321623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189321623T 1893-11-13

Publications (1)

Publication Number Publication Date
GB189321623A true GB189321623A (en) 1893-12-16

Family

ID=35243269

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189321623D Expired GB189321623A (en) 1893-11-13 1893-11-13 A New or Improved Apparatus for Instruction in Arithmetic.

Country Status (1)

Country Link
GB (1) GB189321623A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3722110A (en) * 1972-04-03 1973-03-27 M Morrisey Educational training device
US4136883A (en) * 1977-12-05 1979-01-30 Klees Garry W Game board apparatus
US4146977A (en) * 1978-01-06 1979-04-03 Barberi Maryhannah S Educational toy

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3722110A (en) * 1972-04-03 1973-03-27 M Morrisey Educational training device
US4136883A (en) * 1977-12-05 1979-01-30 Klees Garry W Game board apparatus
US4146977A (en) * 1978-01-06 1979-04-03 Barberi Maryhannah S Educational toy

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