FR345697A - Règle à calcul - Google Patents

Règle à calcul

Info

Publication number
FR345697A
FR345697A FR345697DA FR345697A FR 345697 A FR345697 A FR 345697A FR 345697D A FR345697D A FR 345697DA FR 345697 A FR345697 A FR 345697A
Authority
FR
France
Prior art keywords
slide rule
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
Rudolph Charles Smith
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 FR345697A publication Critical patent/FR345697A/fr
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
    • 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)
FR345697D 1903-09-12 1904-08-19 Règle à calcul Expired FR345697A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US345697XA 1903-09-12 1903-09-12

Publications (1)

Publication Number Publication Date
FR345697A true FR345697A (fr) 1904-12-08

Family

ID=1394471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR345697D Expired FR345697A (fr) 1903-09-12 1904-08-19 Règle à calcul

Country Status (1)

Country Link
FR (1) FR345697A (fr)

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