AU117058B2 - An improved combination mathematical instrument - Google Patents

An improved combination mathematical instrument

Info

Publication number
AU117058B2
AU117058B2 AU5921/42A AU592142A AU117058B2 AU 117058 B2 AU117058 B2 AU 117058B2 AU 5921/42 A AU5921/42 A AU 5921/42A AU 592142 A AU592142 A AU 592142A AU 117058 B2 AU117058 B2 AU 117058B2
Authority
AU
Australia
Prior art keywords
improved combination
mathematical instrument
combination mathematical
instrument
improved
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
AU5921/42A
Other versions
AU592142A (en
Inventor
Bertrand Alexander Charles
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU592142A publication Critical patent/AU592142A/en
Publication of AU117058B2 publication Critical patent/AU117058B2/en
Expired legal-status Critical Current

Links

AU5921/42A 1942-07-02 An improved combination mathematical instrument Expired AU117058B2 (en)

Publications (2)

Publication Number Publication Date
AU592142A AU592142A (en) 1943-06-17
AU117058B2 true AU117058B2 (en) 1943-06-17

Family

ID=

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