CA490637A - Key-driven calculating machine - Google Patents

Key-driven calculating machine

Info

Publication number
CA490637A
CA490637A CA490637A CA490637DA CA490637A CA 490637 A CA490637 A CA 490637A CA 490637 A CA490637 A CA 490637A CA 490637D A CA490637D A CA 490637DA CA 490637 A CA490637 A CA 490637A
Authority
CA
Canada
Prior art keywords
key
calculating machine
driven calculating
driven
machine
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
CA490637A
Other languages
French (fr)
Inventor
A. V. Turck Joseph
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.)
FELT AND TARRANT MANUFACTURING Co
Original Assignee
FELT AND TARRANT MANUFACTURING Co
Publication date
Application granted granted Critical
Publication of CA490637A publication Critical patent/CA490637A/en
Expired legal-status Critical Current

Links

CA490637A Key-driven calculating machine Expired CA490637A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA490637T

Publications (1)

Publication Number Publication Date
CA490637A true CA490637A (en) 1953-02-17

Family

ID=35630374

Family Applications (1)

Application Number Title Priority Date Filing Date
CA490637A Expired CA490637A (en) Key-driven calculating machine

Country Status (1)

Country Link
CA (1) CA490637A (en)

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