AU109543B2 - Improvements relating to calculating machines - Google Patents

Improvements relating to calculating machines

Info

Publication number
AU109543B2
AU109543B2 AU2328/39A AU232839A AU109543B2 AU 109543 B2 AU109543 B2 AU 109543B2 AU 2328/39 A AU2328/39 A AU 2328/39A AU 232839 A AU232839 A AU 232839A AU 109543 B2 AU109543 B2 AU 109543B2
Authority
AU
Australia
Prior art keywords
improvements relating
calculating machines
machines
calculating
relating
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
AU2328/39A
Other versions
AU232839A (en
Inventor
Frederick Webb Christopher
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.)
Belt Punch Co Ltd
Original Assignee
Belt Punch Co Ltd
Filing date
Publication date
Application filed by Belt Punch Co Ltd filed Critical Belt Punch Co Ltd
Application granted granted Critical
Publication of AU109543B2 publication Critical patent/AU109543B2/en
Publication of AU232839A publication Critical patent/AU232839A/en
Expired legal-status Critical Current

Links

AU2328/39A 1939-05-25 Improvements relating to calculating machines Expired AU109543B2 (en)

Publications (2)

Publication Number Publication Date
AU109543B2 true AU109543B2 (en) 1940-01-25
AU232839A AU232839A (en) 1940-01-25

Family

ID=

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