FR347174A - Instrument à calculer - Google Patents

Instrument à calculer

Info

Publication number
FR347174A
FR347174A FR347174DA FR347174A FR 347174 A FR347174 A FR 347174A FR 347174D A FR347174D A FR 347174DA FR 347174 A FR347174 A FR 347174A
Authority
FR
France
Prior art keywords
instrument
calculated
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
English (en)
Inventor
Joseph Halden
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 FR347174A publication Critical patent/FR347174A/fr
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR347174D 1904-10-18 1904-10-18 Instrument à calculer Expired FR347174A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR347174T 1904-10-18

Publications (1)

Publication Number Publication Date
FR347174A true FR347174A (fr) 1905-02-27

Family

ID=1395829

Family Applications (1)

Application Number Title Priority Date Filing Date
FR347174D Expired FR347174A (fr) 1904-10-18 1904-10-18 Instrument à calculer

Country Status (1)

Country Link
FR (1) FR347174A (fr)

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