FR551673A - Appareil servant à examiner les substances transparentes telles que le verre, etc. - Google Patents
Appareil servant à examiner les substances transparentes telles que le verre, etc.Info
- Publication number
- FR551673A FR551673A FR551673DA FR551673A FR 551673 A FR551673 A FR 551673A FR 551673D A FR551673D A FR 551673DA FR 551673 A FR551673 A FR 551673A
- Authority
- FR
- France
- Prior art keywords
- glass
- transparent substances
- examining
- examining transparent
- substances
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
- G02B21/0016—Technical microscopes, e.g. for inspection or measuring in industrial production processes
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR551673T | 1922-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR551673A true FR551673A (fr) | 1923-04-11 |
Family
ID=8937030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR551673D Expired FR551673A (fr) | 1922-04-03 | 1922-04-03 | Appareil servant à examiner les substances transparentes telles que le verre, etc. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR551673A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3971621A (en) * | 1973-03-01 | 1976-07-27 | Ciba-Geigy Corporation | Method and apparatus for generating a relieflike contrast at microscopic images of a transparent phase object |
WO1986003847A1 (fr) * | 1984-12-22 | 1986-07-03 | Ernst Leitz Wetzlar Gmbh | Microscope a eclairage incident et/ou a eclairage par transmission |
-
1922
- 1922-04-03 FR FR551673D patent/FR551673A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3971621A (en) * | 1973-03-01 | 1976-07-27 | Ciba-Geigy Corporation | Method and apparatus for generating a relieflike contrast at microscopic images of a transparent phase object |
WO1986003847A1 (fr) * | 1984-12-22 | 1986-07-03 | Ernst Leitz Wetzlar Gmbh | Microscope a eclairage incident et/ou a eclairage par transmission |
US4784481A (en) * | 1984-12-22 | 1988-11-15 | Ernst Leitz Wetzlar Gmbh | Transmitted and/or incident light microscope |
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