DE239121C - - Google Patents
Info
- Publication number
- DE239121C DE239121C DENDAT239121D DE239121DA DE239121C DE 239121 C DE239121 C DE 239121C DE NDAT239121 D DENDAT239121 D DE NDAT239121D DE 239121D A DE239121D A DE 239121DA DE 239121 C DE239121 C DE 239121C
- Authority
- DE
- Germany
- Prior art keywords
- thread
- mirror
- created
- determining
- composition
- 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.)
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Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE239121C true DE239121C (en:Method) |
Family
ID=498592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT239121D Active DE239121C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE239121C (en:Method) |
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0
- DE DENDAT239121D patent/DE239121C/de active Active
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