FR388950A - Instrument pour calculer les engrenages - Google Patents

Instrument pour calculer les engrenages

Info

Publication number
FR388950A
FR388950A FR388950DA FR388950A FR 388950 A FR388950 A FR 388950A FR 388950D A FR388950D A FR 388950DA FR 388950 A FR388950 A FR 388950A
Authority
FR
France
Prior art keywords
instrument
gears
calculating
calculating gears
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
Hugh William Fellows
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 FR388950A publication Critical patent/FR388950A/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR388950D 1908-04-06 1908-04-06 Instrument pour calculer les engrenages Expired FR388950A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR388950T 1908-04-06

Publications (1)

Publication Number Publication Date
FR388950A true FR388950A (fr) 1908-08-26

Family

ID=1434583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR388950D Expired FR388950A (fr) 1908-04-06 1908-04-06 Instrument pour calculer les engrenages

Country Status (1)

Country Link
FR (1) FR388950A (fr)

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