FR340094A - Règle à calculs circulaire - Google Patents

Règle à calculs circulaire

Info

Publication number
FR340094A
FR340094A FR340094DA FR340094A FR 340094 A FR340094 A FR 340094A FR 340094D A FR340094D A FR 340094DA FR 340094 A FR340094 A FR 340094A
Authority
FR
France
Prior art keywords
slide rule
circular slide
circular
rule
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
English (en)
Inventor
Charles Charpentier
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.)
CHARLES CHARPENTIER
Original Assignee
CHARLES CHARPENTIER
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 CHARLES CHARPENTIER filed Critical CHARLES CHARPENTIER
Application granted granted Critical
Publication of FR340094A publication Critical patent/FR340094A/fr
Expired legal-status Critical Current

Links

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
    • G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation
    • G06G1/12—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation logarithmic graduations, e.g. for multiplication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR340094D 1904-02-01 1904-02-01 Règle à calculs circulaire Expired FR340094A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR340094T 1904-02-01

Publications (1)

Publication Number Publication Date
FR340094A true FR340094A (fr) 1904-06-25

Family

ID=1389232

Family Applications (1)

Application Number Title Priority Date Filing Date
FR340094D Expired FR340094A (fr) 1904-02-01 1904-02-01 Règle à calculs circulaire

Country Status (1)

Country Link
FR (1) FR340094A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5314552A (en) * 1992-12-17 1994-05-24 Branson Ultrasonics Corporation Breakaway plug ultrasonically bored from first thermoplastic part & ultrasonically bonded to surface of second thermoplastic part

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5314552A (en) * 1992-12-17 1994-05-24 Branson Ultrasonics Corporation Breakaway plug ultrasonically bored from first thermoplastic part & ultrasonically bonded to surface of second thermoplastic part

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