FR318220A - Perfectionnements aux lentilles - Google Patents

Perfectionnements aux lentilles

Info

Publication number
FR318220A
FR318220A FR318220DA FR318220A FR 318220 A FR318220 A FR 318220A FR 318220D A FR318220D A FR 318220DA FR 318220 A FR318220 A FR 318220A
Authority
FR
France
Prior art keywords
lentil
enhancements
lentil enhancements
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
Gruen
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 FR318220A publication Critical patent/FR318220A/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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/06—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of fluids in transparent cells

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR318220D 1902-01-30 1902-01-30 Perfectionnements aux lentilles Expired FR318220A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR318220T 1902-01-30

Publications (1)

Publication Number Publication Date
FR318220A true FR318220A (fr) 1902-10-09

Family

ID=1368890

Family Applications (1)

Application Number Title Priority Date Filing Date
FR318220D Expired FR318220A (fr) 1902-01-30 1902-01-30 Perfectionnements aux lentilles

Country Status (1)

Country Link
FR (1) FR318220A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4227991A1 (de) * 1992-08-21 1994-05-11 Gallert Frank Konzentrisches Linsensystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4227991A1 (de) * 1992-08-21 1994-05-11 Gallert Frank Konzentrisches Linsensystem

Similar Documents

Publication Publication Date Title
FR318220A (fr) Perfectionnements aux lentilles
FR324250A (fr) Perfectionnements aux selles
FR325214A (fr) Perfectionnements aux cravates
FR322757A (fr) Perfectionnements aux gants
FR326920A (fr) Perfectionnements aux gants
FR327153A (fr) Perfectionnements aux gants
FR324298A (fr) Perfectionnements aux serrures
FR324464A (fr) Perfectionnements aux serrures
FR5355E (fr) Perfectionnements aux serrures
FR321474A (fr) Perfectionnements aux chaussures
FR320882A (fr) Perfectionnements aux vetements
FR322731A (fr) Perfectionnements aux jarretelles
FR324381A (fr) Perfectionnements aux presses à vis
CH23696A (de) Pflugsriester
FR322195A (fr) Perfectionnements aux selles
FR327131A (fr) Perfectionnements aux agrafes
CH26299A (de) Schraubenschlüssel
FR327827A (fr) Perfectionnements aux brosses
FR322104A (fr) Perfectionnements aux brosses
FR321287A (fr) Perfectionnements aux cravates
FR319188A (fr) Perfectionnements aux vélocipèdes
FR327084A (fr) Perfectionnements aux suspensoirs
CH26203A (de) Hourdis
FR326462A (fr) Clé anglaise
FR323937A (fr) Perfectionnements aux épingles