CA230492A - Vertical ruling mechanism for calculating machines - Google Patents

Vertical ruling mechanism for calculating machines

Info

Publication number
CA230492A
CA230492A CA230492A CA230492DA CA230492A CA 230492 A CA230492 A CA 230492A CA 230492 A CA230492 A CA 230492A CA 230492D A CA230492D A CA 230492DA CA 230492 A CA230492 A CA 230492A
Authority
CA
Canada
Prior art keywords
calculating machines
ruling mechanism
vertical ruling
vertical
machines
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
CA230492A
Other languages
French (fr)
Inventor
S. Gubelmann William
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 CA230492A publication Critical patent/CA230492A/en
Expired legal-status Critical Current

Links

CA230492A Vertical ruling mechanism for calculating machines Expired CA230492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA230492T

Publications (1)

Publication Number Publication Date
CA230492A true CA230492A (en) 1923-04-24

Family

ID=35127865

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230492A Expired CA230492A (en) Vertical ruling mechanism for calculating machines

Country Status (1)

Country Link
CA (1) CA230492A (en)

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