GB190610701A - Improved Means or Apparatus suitable for Sighting or Photographing Objects from Submarine Boats, or other Situations. - Google Patents
Improved Means or Apparatus suitable for Sighting or Photographing Objects from Submarine Boats, or other Situations.Info
- Publication number
- GB190610701A GB190610701A GB190610701DA GB190610701A GB 190610701 A GB190610701 A GB 190610701A GB 190610701D A GB190610701D A GB 190610701DA GB 190610701 A GB190610701 A GB 190610701A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass block
- sighting
- situations
- apparatus suitable
- improved means
- 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
Abstract
10,701. Denston, H. F. May 7. Periscopes; telemeters; surveying-instruments.- In periscopic apparatus, the whole of the surrounding field is viewed by means of an annular glass block e<1> having an internal conical, spherical, or parabolic reflecting-surface e, and a concave base b. The image may be viewed directly through an eyepiece, or it may be magnified and projected by means of lenses upon a screen p or upon a photographic plate. An auxiliary system of lenses t, Fig. 11, which may be moved in and out of operation against the periphery of .the glass block, is employed to give an enlarged view of any particular portion of the field. A reflecting-prism, mounted so that it may be brought in front of any part of the glass block, allows objects to be seen which are above or below the normal field of view. The screen p or the photographic plate may be graduated to indicate the distances of the objects sighted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190610701T | 1906-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190610701A true GB190610701A (en) | 1907-08-07 |
Family
ID=32433870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190610701D Expired GB190610701A (en) | 1906-05-07 | 1906-05-07 | Improved Means or Apparatus suitable for Sighting or Photographing Objects from Submarine Boats, or other Situations. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190610701A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2437947A (en) * | 1944-02-17 | 1948-03-16 | Universal Camera Corp | Mounting for and including optical refracting means and method of forming the same |
US2959089A (en) * | 1955-03-16 | 1960-11-08 | American Cystoscope Makers Inc | Panoramic borescope |
US3189744A (en) * | 1962-11-05 | 1965-06-15 | Westinghouse Electric Corp | Optical communications transmitter |
US3257902A (en) * | 1959-07-16 | 1966-06-28 | Watson W & Sons Ltd | Optical system having cylindrical rod-like lenses |
-
1906
- 1906-05-07 GB GB190610701D patent/GB190610701A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2437947A (en) * | 1944-02-17 | 1948-03-16 | Universal Camera Corp | Mounting for and including optical refracting means and method of forming the same |
US2959089A (en) * | 1955-03-16 | 1960-11-08 | American Cystoscope Makers Inc | Panoramic borescope |
US3257902A (en) * | 1959-07-16 | 1966-06-28 | Watson W & Sons Ltd | Optical system having cylindrical rod-like lenses |
US3189744A (en) * | 1962-11-05 | 1965-06-15 | Westinghouse Electric Corp | Optical communications transmitter |
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