[go: up one dir, main page]

FR548316A - Special slide rule - Google Patents

Special slide rule

Info

Publication number
FR548316A
FR548316A FR548316DA FR548316A FR 548316 A FR548316 A FR 548316A FR 548316D A FR548316D A FR 548316DA FR 548316 A FR548316 A FR 548316A
Authority
FR
France
Prior art keywords
slide rule
special slide
special
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
French (fr)
Inventor
Edmond Dareste
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 filed Critical
Application granted granted Critical
Publication of FR548316A publication Critical patent/FR548316A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G1/00Hand manipulated computing devices
    • G06G1/02Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/10Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation
    • G06G1/12Devices 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)
FR548316D 1921-06-07 1921-06-07 Special slide rule Expired FR548316A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR548316T 1921-06-07

Publications (1)

Publication Number Publication Date
FR548316A true FR548316A (en) 1923-01-12

Family

ID=8934735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR548316D Expired FR548316A (en) 1921-06-07 1921-06-07 Special slide rule

Country Status (1)

Country Link
FR (1) FR548316A (en)

Similar Documents

Publication Publication Date Title
FR560462A (en) Counter-current desaerator
FR548316A (en) Special slide rule
FR538880A (en) Slide rule
FR500663A (en) Slide rule
FR582237A (en) Slide rule
FR537788A (en) Calculating circle
FR536574A (en) Lifebuoy at
FR565397A (en) Slide rule
FR601762A (en) Slide rule
FR570342A (en) Functional slide rule
FR554065A (en) Friction mechanism
FR24502E (en) Calculation gauge
FR556459A (en) Hand sweeper-sprinkler
FR27921E (en) Hand sweeper-sprinkler
FR581585A (en) Circular slide rule
FR530806A (en) Currency calculator
FR25666E (en) Multiple updraft washhouse
FR535550A (en) cheek sinks
FR577358A (en) Improvements to slide rules
FR642372A (en) Inexpensive slide rule
FR545287A (en) Pencil case enhancements
DK33226C (en) Slide.
FR550885A (en) Push switch
FR565602A (en) Intervalometric parallel rule
FR24928E (en) Hand grenade