FR803074A - Improvements to slide rules - Google Patents

Improvements to slide rules

Info

Publication number: FR803074A
Authority: FR; France
Prior art keywords: slide rules; rules; slide
Prior art date: 1936-03-10
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

Other languages

Inventor

Eloi Accart

Priority date (The priority date 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 date listed.)

1936-03-10

Filing date

1936-03-10

Publication date

1936-09-22

1936-03-10 Application filed filed Critical

1936-09-22 Application granted granted Critical

1936-09-22 Publication of FR803074A publication Critical patent/FR803074A/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
- G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Mathematical Physics (AREA)
Computer Hardware Design (AREA)
General Physics & Mathematics (AREA)

FR803074D 1936-03-10 1936-03-10 Improvements to slide rules Expired FR803074A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR803074T		1936-03-10

Publications (1)

Publication Number	Publication Date
FR803074A true FR803074A (en)	1936-09-22

Family

ID=9249926

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR803074D Expired FR803074A (en)	1936-03-10	1936-03-10	Improvements to slide rules

Country Status (1)

Country	Link
FR (1)	FR803074A (en)

1936
- 1936-03-10 FR FR803074D patent/FR803074A/en not_active Expired

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