CA420607A - Educational device - Google Patents

Educational device

Info

Publication number
CA420607A
CA420607A CA420607A CA420607DA CA420607A CA 420607 A CA420607 A CA 420607A CA 420607 A CA420607 A CA 420607A CA 420607D A CA420607D A CA 420607DA CA 420607 A CA420607 A CA 420607A
Authority
CA
Canada
Prior art keywords
educational device
educational
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
CA420607A
Other languages
French (fr)
Inventor
R. Oesch Clark
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
Publication date
Application granted granted Critical
Publication of CA420607A publication Critical patent/CA420607A/en
Expired legal-status Critical Current

Links

CA420607A Educational device Expired CA420607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA420607T

Publications (1)

Publication Number Publication Date
CA420607A true CA420607A (en) 1944-06-06

Family

ID=35531543

Family Applications (1)

Application Number Title Priority Date Filing Date
CA420607A Expired CA420607A (en) Educational device

Country Status (1)

Country Link
CA (1) CA420607A (en)

Similar Documents

Publication Publication Date Title
CA440401A (en) Timing device
CA420607A (en) Educational device
CA422154A (en) Musketry training device
CA419514A (en) Amusement device
AU123134B2 (en) 1Hygienic device
CA420472A (en) Tie-spacing device
CA421030A (en) Handle-attaching device
CA423079A (en) Anti-torpedo device
CA422965A (en) Cartographic device
CA419631A (en) Train order device
CA422754A (en) Potential device
CA421703A (en) Connecting device
CA418423A (en) Multiplying device
AU1441744A (en) 1Hygienic device
CA420899A (en) Display device
CA423204A (en) Display device
AU126175B2 (en) Weld-testing apparatus
CA420934A (en) Cap-feeding apparatus
CA421091A (en) Cap-feeding apparatus
CA421747A (en) Coil-handling apparatus
CA419767A (en) Educational appliance
CA420305A (en) Calculating device
CA418671A (en) Photoprinting device
CA422629A (en) Stirring device
CA419484A (en) Vice