FR337450A - Improvements to slide rules - Google Patents

Improvements to slide rules

Info

Publication number
FR337450A
FR337450A FR337450DA FR337450A FR 337450 A FR337450 A FR 337450A FR 337450D A FR337450D A FR 337450DA FR 337450 A FR337450 A FR 337450A
Authority
FR
France
Prior art keywords
slide rules
rules
slide
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
Other languages
French (fr)
Inventor
Francis James Anderson
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
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR337450A publication Critical patent/FR337450A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR337450D 1903-04-22 1903-12-07 Improvements to slide rules Expired FR337450A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB337450X 1903-04-22

Publications (1)

Publication Number Publication Date
FR337450A true FR337450A (en) 1904-04-09

Family

ID=1386803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR337450D Expired FR337450A (en) 1903-04-22 1903-12-07 Improvements to slide rules

Country Status (1)

Country Link
FR (1) FR337450A (en)

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