FR481032A - Perfectionnements apportés aux règles à coulisse - Google Patents

Perfectionnements apportés aux règles à coulisse

Info

Publication number
FR481032A
FR481032A FR481032DA FR481032A FR 481032 A FR481032 A FR 481032A FR 481032D A FR481032D A FR 481032DA FR 481032 A FR481032 A FR 481032A
Authority
FR
France
Prior art keywords
sliding rules
rules
sliding
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
Milton Olin Spicknall
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 FR481032A publication Critical patent/FR481032A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K29/00—Combinations of writing implements with other articles
    • B43K29/08—Combinations of writing implements with other articles with measuring, computing or indicating devices
    • 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
    • G06G1/08—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales
    • G06G1/085—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales borne by a cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR481032D 1916-01-19 1916-01-19 Perfectionnements apportés aux règles à coulisse Expired FR481032A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR481032T 1916-01-19

Publications (1)

Publication Number Publication Date
FR481032A true FR481032A (fr) 1916-10-24

Family

ID=1518190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR481032D Expired FR481032A (fr) 1916-01-19 1916-01-19 Perfectionnements apportés aux règles à coulisse

Country Status (1)

Country Link
FR (1) FR481032A (fr)

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