DE220792C - - Google Patents
Info
- Publication number
- DE220792C DE220792C DENDAT220792D DE220792DA DE220792C DE 220792 C DE220792 C DE 220792C DE NDAT220792 D DENDAT220792 D DE NDAT220792D DE 220792D A DE220792D A DE 220792DA DE 220792 C DE220792 C DE 220792C
- Authority
- DE
- Germany
- Prior art keywords
- barrel
- exit pupil
- diaphragm
- image
- eye
- 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.)
- Active
Links
- 210000001747 pupil Anatomy 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 208000012661 Dyskinesia Diseases 0.000 description 1
- 208000015592 Involuntary movements Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000017311 musculoskeletal movement, spinal reflex action Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A31/00—Testing arrangements
- F41A31/02—Testing arrangements for checking gun barrels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Telescopes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE220792C true DE220792C (enExample) |
Family
ID=481816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT220792D Active DE220792C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE220792C (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2847900A (en) * | 1956-02-08 | 1958-08-19 | Chester J Dudzik | Methods and apparatus for checking straightness of bores |
-
0
- DE DENDAT220792D patent/DE220792C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2847900A (en) * | 1956-02-08 | 1958-08-19 | Chester J Dudzik | Methods and apparatus for checking straightness of bores |
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