FR642372A - Inexpensive slide rule - Google Patents

Inexpensive slide rule

Info

Publication number
FR642372A
FR642372A FR642372DA FR642372A FR 642372 A FR642372 A FR 642372A FR 642372D A FR642372D A FR 642372DA FR 642372 A FR642372 A FR 642372A
Authority
FR
France
Prior art keywords
slide rule
inexpensive slide
inexpensive
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
Christophe Simon
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 FR642372A publication Critical patent/FR642372A/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
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR642372D 1927-10-06 1927-10-06 Inexpensive slide rule Expired FR642372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR642372T 1927-10-06

Publications (1)

Publication Number Publication Date
FR642372A true FR642372A (en) 1928-08-28

Family

ID=8998765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR642372D Expired FR642372A (en) 1927-10-06 1927-10-06 Inexpensive slide rule

Country Status (1)

Country Link
FR (1) FR642372A (en)

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