BE647895A - - Google Patents

Info

Publication number
BE647895A
BE647895A BE647895DA BE647895A BE 647895 A BE647895 A BE 647895A BE 647895D A BE647895D A BE 647895DA BE 647895 A BE647895 A BE 647895A
Authority
BE
Belgium
Prior art keywords
scales
scale
ruler
relating
temperature
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE647895A publication Critical patent/BE647895A/fr

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)
  • Radiation Pyrometers (AREA)
  • Thermally Actuated Switches (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
BE647895D BE647895A (enExample)

Publications (1)

Publication Number Publication Date
BE647895A true BE647895A (enExample)

Family

ID=205574

Family Applications (1)

Application Number Title Priority Date Filing Date
BE647895D BE647895A (enExample)

Country Status (1)

Country Link
BE (1) BE647895A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124795A (en) * 1976-09-27 1978-11-07 American District Telegraph Company Fire protection calculator
US4203542A (en) * 1976-10-01 1980-05-20 Foseco International Limited Calculating apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124795A (en) * 1976-09-27 1978-11-07 American District Telegraph Company Fire protection calculator
US4203542A (en) * 1976-10-01 1980-05-20 Foseco International Limited Calculating apparatus

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