FR515964A - Lentilles d'optique perfectionnées - Google Patents

Lentilles d'optique perfectionnées

Info

Publication number
FR515964A
FR515964A FR515964A FR515964DA FR515964A FR 515964 A FR515964 A FR 515964A FR 515964 A FR515964 A FR 515964A FR 515964D A FR515964D A FR 515964DA FR 515964 A FR515964 A FR 515964A
Authority
FR
France
Prior art keywords
optical lenses
advanced optical
advanced
lenses
optical
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
FR515964A
Other languages
English (en)
Inventor
Adele Gallet
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.)
ADELE GALLET
Original Assignee
ADELE GALLET
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 ADELE GALLET filed Critical ADELE GALLET
Application granted granted Critical
Publication of FR515964A publication Critical patent/FR515964A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR515964A 1920-05-25 1920-05-25 Lentilles d'optique perfectionnées Expired FR515964A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR515964T 1920-05-25

Publications (1)

Publication Number Publication Date
FR515964A true FR515964A (fr) 1921-04-12

Family

ID=8915014

Family Applications (1)

Application Number Title Priority Date Filing Date
FR515964A Expired FR515964A (fr) 1920-05-25 1920-05-25 Lentilles d'optique perfectionnées

Country Status (1)

Country Link
FR (1) FR515964A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794368A (en) * 1955-08-09 1957-06-04 Kosa Victor Fluid condensing lens for picture windows
DE2928969C2 (de) * 1979-07-18 1981-10-08 Karl 4100 Duisburg Kemmler Vorrichtung zur Konzentration von Sonnenlicht

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794368A (en) * 1955-08-09 1957-06-04 Kosa Victor Fluid condensing lens for picture windows
DE2928969C2 (de) * 1979-07-18 1981-10-08 Karl 4100 Duisburg Kemmler Vorrichtung zur Konzentration von Sonnenlicht

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