FR369492A - Instrument de dessin - Google Patents

Instrument de dessin

Info

Publication number
FR369492A
FR369492A FR369492DA FR369492A FR 369492 A FR369492 A FR 369492A FR 369492D A FR369492D A FR 369492DA FR 369492 A FR369492 A FR 369492A
Authority
FR
France
Prior art keywords
drawing instrument
instrument
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
Sidney Herbert Donaldson
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 FR369492A publication Critical patent/FR369492A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR369492D 1906-03-01 1906-06-14 Instrument de dessin Expired FR369492A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB369492X 1906-03-01

Publications (1)

Publication Number Publication Date
FR369492A true FR369492A (fr) 1907-01-12

Family

ID=1416481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR369492D Expired FR369492A (fr) 1906-03-01 1906-06-14 Instrument de dessin

Country Status (1)

Country Link
FR (1) FR369492A (fr)

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