FR382578A - Instrument for evaluating the area and circumference of circles - Google Patents

Instrument for evaluating the area and circumference of circles

Info

Publication number
FR382578A
FR382578A FR382578DA FR382578A FR 382578 A FR382578 A FR 382578A FR 382578D A FR382578D A FR 382578DA FR 382578 A FR382578 A FR 382578A
Authority
FR
France
Prior art keywords
circles
evaluating
circumference
instrument
area
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
Arthur Sebastian Hayden Hitchings
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.)
ARTHUR SEBASTIAN HAYDEN HITCHI
Original Assignee
ARTHUR SEBASTIAN HAYDEN HITCHI
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 ARTHUR SEBASTIAN HAYDEN HITCHI filed Critical ARTHUR SEBASTIAN HAYDEN HITCHI
Application granted granted Critical
Publication of FR382578A publication Critical patent/FR382578A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/0005—Hand manipulated computing devices characterised by a specific application
    • G06G1/0094—Hand manipulated computing devices characterised by a specific application for trigonometric computations

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR382578D 1907-10-04 1907-10-04 Instrument for evaluating the area and circumference of circles Expired FR382578A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR382578T 1907-10-04

Publications (1)

Publication Number Publication Date
FR382578A true FR382578A (en) 1908-02-11

Family

ID=1428648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR382578D Expired FR382578A (en) 1907-10-04 1907-10-04 Instrument for evaluating the area and circumference of circles

Country Status (1)

Country Link
FR (1) FR382578A (en)

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