FR395523A - Logarithmic disk - Google Patents

Logarithmic disk

Info

Publication number
FR395523A
FR395523A FR395523DA FR395523A FR 395523 A FR395523 A FR 395523A FR 395523D A FR395523D A FR 395523DA FR 395523 A FR395523 A FR 395523A
Authority
FR
France
Prior art keywords
logarithmic
disk
logarithmic disk
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
Ernst Leder
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 FR395523A publication Critical patent/FR395523A/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)
FR395523D 1908-08-31 1908-10-20 Logarithmic disk Expired FR395523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE395523X 1908-08-31

Publications (1)

Publication Number Publication Date
FR395523A true FR395523A (en) 1909-03-04

Family

ID=1440692

Family Applications (1)

Application Number Title Priority Date Filing Date
FR395523D Expired FR395523A (en) 1908-08-31 1908-10-20 Logarithmic disk

Country Status (1)

Country Link
FR (1) FR395523A (en)

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