FR457947A - Calculating device - Google Patents

Calculating device

Info

Publication number
FR457947A
FR457947A FR457947DA FR457947A FR 457947 A FR457947 A FR 457947A FR 457947D A FR457947D A FR 457947DA FR 457947 A FR457947 A FR 457947A
Authority
FR
France
Prior art keywords
calculating device
calculating
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
Jean-Louis Barre
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.)
JEAN LOUIS BARRE
Original Assignee
JEAN LOUIS BARRE
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 JEAN LOUIS BARRE filed Critical JEAN LOUIS BARRE
Application granted granted Critical
Publication of FR457947A publication Critical patent/FR457947A/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)
FR457947D 1913-05-09 1913-05-09 Calculating device Expired FR457947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR457947T 1913-05-09

Publications (1)

Publication Number Publication Date
FR457947A true FR457947A (en) 1913-09-29

Family

ID=1497590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR457947D Expired FR457947A (en) 1913-05-09 1913-05-09 Calculating device

Country Status (1)

Country Link
FR (1) FR457947A (en)

Similar Documents

Publication Publication Date Title
FR457947A (en) Calculating device
FR473922A (en) Counting device
FR463893A (en) Adding device
FR439427A (en) Dredging device
FR457266A (en) Glove turning device
FR438452A (en) Tachometric calculator
FR457984A (en) Signal device
CH53262A (en) Hand-held multi-track device
FR18678E (en) Cinephone device
FR456598A (en) Cinephone device
FR460713A (en) Alarm-detonator device
FR466455A (en) Ellipsograph device
CH67250A (en) Electrilytic device
FR20611E (en) Tanning device
FR464175A (en) Pointer device
FR452896A (en) Measuring device
FR472003A (en) Humidifier
FR474138A (en) Electro-medical device
FR440912A (en) Disinfection device
FR474940A (en) Extension device
FR471041A (en) Multiple combination coding device
FR464994A (en) Slide rule
FR468417A (en) Slide rule
FR431378A (en) Disinfecting device
FR433314A (en) Disinfecting device