FR334420A - Symmetrograph device for the reproduction of counterpart drawings - Google Patents

Symmetrograph device for the reproduction of counterpart drawings

Info

Publication number
FR334420A
FR334420A FR334420DA FR334420A FR 334420 A FR334420 A FR 334420A FR 334420D A FR334420D A FR 334420DA FR 334420 A FR334420 A FR 334420A
Authority
FR
France
Prior art keywords
symmetrograph
counterpart
reproduction
drawings
symmetrograph device
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
Valton Edmond
Gaston Langelle
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.)
EDMOND VALTON FILS
GASTON LANGELLE
Original Assignee
EDMOND VALTON FILS
GASTON LANGELLE
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 EDMOND VALTON FILS, GASTON LANGELLE filed Critical EDMOND VALTON FILS
Application granted granted Critical
Publication of FR334420A publication Critical patent/FR334420A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/10—Pantographic instruments for copying, enlarging, or diminishing
FR334420D 1903-08-05 1903-08-05 Symmetrograph device for the reproduction of counterpart drawings Expired FR334420A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR334420T 1903-08-05

Publications (1)

Publication Number Publication Date
FR334420A true FR334420A (en) 1903-12-21

Family

ID=1383950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR334420D Expired FR334420A (en) 1903-08-05 1903-08-05 Symmetrograph device for the reproduction of counterpart drawings

Country Status (1)

Country Link
FR (1) FR334420A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714254A (en) * 1950-09-15 1955-08-02 Prec Grinding Ltd Device for effecting controlled variations of geometrical forms and other shapes
US2793569A (en) * 1954-01-20 1957-05-28 Lawrence S Tanner Reproducing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714254A (en) * 1950-09-15 1955-08-02 Prec Grinding Ltd Device for effecting controlled variations of geometrical forms and other shapes
US2793569A (en) * 1954-01-20 1957-05-28 Lawrence S Tanner Reproducing machine

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