FR1072573A - Improvement in frontofocometers - Google Patents

Improvement in frontofocometers

Info

Publication number
FR1072573A
FR1072573A FR1072573DA FR1072573A FR 1072573 A FR1072573 A FR 1072573A FR 1072573D A FR1072573D A FR 1072573DA FR 1072573 A FR1072573 A FR 1072573A
Authority
FR
France
Prior art keywords
frontofocometers
improvement
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)
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.)
COMM OUVRIERS LUNETIERS SOC IN
Original Assignee
COMM OUVRIERS LUNETIERS SOC IN
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 COMM OUVRIERS LUNETIERS SOC IN filed Critical COMM OUVRIERS LUNETIERS SOC IN
Application granted granted Critical
Publication of FR1072573A publication Critical patent/FR1072573A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0228—Testing optical properties by measuring refractive power

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1072573D 1952-12-24 1952-12-24 Improvement in frontofocometers Expired FR1072573A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1072573T 1952-12-24

Publications (1)

Publication Number Publication Date
FR1072573A true FR1072573A (en) 1954-09-14

Family

ID=9605678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1072573D Expired FR1072573A (en) 1952-12-24 1952-12-24 Improvement in frontofocometers

Country Status (1)

Country Link
FR (1) FR1072573A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947215A (en) * 1957-03-04 1960-08-02 George A Mitchell Compensating film warpage in projectors
US2949830A (en) * 1957-01-15 1960-08-23 Optische Ind De Oude Delft Nv Photographic camera
DE1216571B (en) * 1963-12-24 1966-05-12 Rodenstock Optik G Improvement in lensmeters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949830A (en) * 1957-01-15 1960-08-23 Optische Ind De Oude Delft Nv Photographic camera
US2947215A (en) * 1957-03-04 1960-08-02 George A Mitchell Compensating film warpage in projectors
DE1216571B (en) * 1963-12-24 1966-05-12 Rodenstock Optik G Improvement in lensmeters

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