FR4513E - Device allowing the magnification of micrographic views - Google Patents

Device allowing the magnification of micrographic views

Info

Publication number
FR4513E
FR4513E FR4513DA FR4513E FR 4513 E FR4513 E FR 4513E FR 4513D A FR4513D A FR 4513DA FR 4513 E FR4513 E FR 4513E
Authority
FR
France
Prior art keywords
magnification
device allowing
micrographic views
micrographic
views
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
Otto Heinrich Fritz Vollbehr
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 FR4513E publication Critical patent/FR4513E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/02—Eyepieces; Magnifying glasses with means for illuminating object viewed

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR4513D 1904-06-01 1905-02-24 Device allowing the magnification of micrographic views Expired FR4513E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR343599T 1904-06-01
FR4513T 1905-02-24

Publications (1)

Publication Number Publication Date
FR4513E true FR4513E (en) 1905-08-26

Family

ID=1347665

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4513D Expired FR4513E (en) 1904-06-01 1905-02-24 Device allowing the magnification of micrographic views

Country Status (1)

Country Link
FR (1) FR4513E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1038793B (en) * 1954-09-13 1958-09-11 Theodor Koerner Device for reading characters displayed in micro-reproduction on a disk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1038793B (en) * 1954-09-13 1958-09-11 Theodor Koerner Device for reading characters displayed in micro-reproduction on a disk

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