CA421069A - Parallel rule and protractor - Google Patents

Parallel rule and protractor

Info

Publication number
CA421069A
CA421069A CA421069A CA421069DA CA421069A CA 421069 A CA421069 A CA 421069A CA 421069 A CA421069 A CA 421069A CA 421069D A CA421069D A CA 421069DA CA 421069 A CA421069 A CA 421069A
Authority
CA
Canada
Prior art keywords
protractor
parallel rule
rule
parallel
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
CA421069A
Other languages
French (fr)
Inventor
Donald Maclean John
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 CA421069A publication Critical patent/CA421069A/en
Expired legal-status Critical Current

Links

CA421069A Parallel rule and protractor Expired CA421069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA421069T

Publications (1)

Publication Number Publication Date
CA421069A true CA421069A (en) 1944-06-27

Family

ID=35532017

Family Applications (1)

Application Number Title Priority Date Filing Date
CA421069A Expired CA421069A (en) Parallel rule and protractor

Country Status (1)

Country Link
CA (1) CA421069A (en)

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