DE202453C - - Google Patents

Info

Publication number
DE202453C
DE202453C DENDAT202453D DE202453DA DE202453C DE 202453 C DE202453 C DE 202453C DE NDAT202453 D DENDAT202453 D DE NDAT202453D DE 202453D A DE202453D A DE 202453DA DE 202453 C DE202453 C DE 202453C
Authority
DE
Germany
Prior art keywords
roller
logarithmic
scale
divisions
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.)
Active
Application number
DENDAT202453D
Other languages
German (de)
English (en)
Publication of DE202453C publication Critical patent/DE202453C/de
Active 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
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
    • G06G1/08—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales
    • G06G1/085—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales borne by a cylinder

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Tape Measures (AREA)
DENDAT202453D Active DE202453C (en, 2012)

Publications (1)

Publication Number Publication Date
DE202453C true DE202453C (en, 2012)

Family

ID=464939

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT202453D Active DE202453C (en, 2012)

Country Status (1)

Country Link
DE (1) DE202453C (en, 2012)

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