GB191121086A - An Instrument for Estimating the Range and Direction of Motion of an Objective Ship for Which Pictures or Photographs in Various Attitudes are Available. - Google Patents
An Instrument for Estimating the Range and Direction of Motion of an Objective Ship for Which Pictures or Photographs in Various Attitudes are Available.Info
- Publication number
- GB191121086A GB191121086A GB191121086DA GB191121086A GB 191121086 A GB191121086 A GB 191121086A GB 191121086D A GB191121086D A GB 191121086DA GB 191121086 A GB191121086 A GB 191121086A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photographs
- instrument
- available
- range
- pictures
- 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
Landscapes
- Telescopes (AREA)
Abstract
21,086. Middleton, J. R., Barr, A., and Stroud, W. Sept. 25. Range-finders. - When photographs &c. in different positions of the object ranged on are available, they are suitably mounted, as shown in Fig. 8, and so arranged that the appropriate one can be brought into the field of view of a microscope, as shown in Fig. 5. The picture 1, by means of the composite eyepiece 23, is seen simultaneously with the object itself which is viewed through the broken telescope 20, 21, 22. The magnifying-power of either or both of the viewing-means is variable and a reading is taken when the two images appear to be of equal size. The instrument may be binocular.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB191121086T | 1911-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB191121086A true GB191121086A (en) | 1912-07-18 |
Family
ID=32567229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB191121086D Expired GB191121086A (en) | 1911-09-25 | 1911-09-25 | An Instrument for Estimating the Range and Direction of Motion of an Objective Ship for Which Pictures or Photographs in Various Attitudes are Available. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB191121086A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2472809A (en) * | 1945-09-06 | 1949-06-14 | John R Decker | Illuminated reticle attachment for telescopes |
US2536718A (en) * | 1946-09-17 | 1951-01-02 | Kolimorgen Optical Corp | Variable power optical system for training devices, microscopes, telescopes, and thelike |
US2615364A (en) * | 1950-01-30 | 1952-10-28 | Warner Bros | Method of obtaining registry between separately photographed action scenes |
US2621555A (en) * | 1947-10-10 | 1952-12-16 | Cossor Ltd A C | Optical comparison projection system |
US2780132A (en) * | 1952-03-14 | 1957-02-05 | Barr & Stroud Ltd | Optical comparator |
US2790347A (en) * | 1953-08-20 | 1957-04-30 | United States Steel Corp | Microscope attachment for projecting rating chart into field of vision |
US2921497A (en) * | 1954-03-25 | 1960-01-19 | Mine Safety Appliances Co | Optical instrument for smoke determination |
-
1911
- 1911-09-25 GB GB191121086D patent/GB191121086A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2472809A (en) * | 1945-09-06 | 1949-06-14 | John R Decker | Illuminated reticle attachment for telescopes |
US2536718A (en) * | 1946-09-17 | 1951-01-02 | Kolimorgen Optical Corp | Variable power optical system for training devices, microscopes, telescopes, and thelike |
US2621555A (en) * | 1947-10-10 | 1952-12-16 | Cossor Ltd A C | Optical comparison projection system |
US2615364A (en) * | 1950-01-30 | 1952-10-28 | Warner Bros | Method of obtaining registry between separately photographed action scenes |
US2780132A (en) * | 1952-03-14 | 1957-02-05 | Barr & Stroud Ltd | Optical comparator |
US2790347A (en) * | 1953-08-20 | 1957-04-30 | United States Steel Corp | Microscope attachment for projecting rating chart into field of vision |
US2921497A (en) * | 1954-03-25 | 1960-01-19 | Mine Safety Appliances Co | Optical instrument for smoke determination |
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