FR489304A - Lighting apparatus for microscopes - Google Patents

Lighting apparatus for microscopes

Info

Publication number
FR489304A
FR489304A FR489304DA FR489304A FR 489304 A FR489304 A FR 489304A FR 489304D A FR489304D A FR 489304DA FR 489304 A FR489304 A FR 489304A
Authority
FR
France
Prior art keywords
microscopes
lighting apparatus
lighting
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
Alexander Silverman
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 FR489304A publication Critical patent/FR489304A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/06—Means for illuminating specimens
    • G02B21/08—Condensers
    • G02B21/082—Condensers for incident illumination only
    • G02B21/084—Condensers for incident illumination only having annular illumination around the objective

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR489304D 1918-03-16 1918-03-16 Lighting apparatus for microscopes Expired FR489304A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR489304T 1918-03-16

Publications (1)

Publication Number Publication Date
FR489304A true FR489304A (en) 1919-01-22

Family

ID=1525558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR489304D Expired FR489304A (en) 1918-03-16 1918-03-16 Lighting apparatus for microscopes

Country Status (1)

Country Link
FR (1) FR489304A (en)

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