GB190812762A - Improvements in Telescopic Sights for Ordnance. - Google Patents
Improvements in Telescopic Sights for Ordnance.Info
- Publication number
- GB190812762A GB190812762A GB190812762DA GB190812762A GB 190812762 A GB190812762 A GB 190812762A GB 190812762D A GB190812762D A GB 190812762DA GB 190812762 A GB190812762 A GB 190812762A
- Authority
- GB
- United Kingdom
- Prior art keywords
- prism
- reflecting
- positions
- vision
- construction
- 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
12,762. Zeiss, C. Nov. 4, 1907, [date applied for under Section 91 of Patents &c. Act, 1907]. [Patent of Addition to No. 6041, A.D. 1907.] Telescopes.-In panoramic sighting telescopes of the kind described in Specification No. 6041, A.D. 1907, and having three directions of sight, any one of which may be used by adjusting the position of a prism, the prism b is rotatable about its own axis of emergence and is held by a spring catch f in either one of three positions mutually at rightangles. In the position shown in Fig. 1, the line of vision is directed ahead by a fixed double-reflecting prism a arranged vertically below, or above, the prism b, but in either of the positions shown in dotted lines in Fig. 2, the line of vision is directed backwards to the left or right. In a modification shown in Fig. 3, a reflecting-prism k is combined with the ocular d<1>, d<2> so that the optical axis is deflected upwards. For complete erection of the image in all three positions, the movable prism b of the first construction or the fixed prism a' of the second construction is a single-reflecting ridge prism.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190706041T | 1907-03-13 | ||
DE190812762X | 1907-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190812762A true GB190812762A (en) | 1908-10-29 |
Family
ID=32657946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190812762D Expired GB190812762A (en) | 1907-03-13 | 1908-06-15 | Improvements in Telescopic Sights for Ordnance. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190812762A (en) |
-
1908
- 1908-06-15 GB GB190812762D patent/GB190812762A/en not_active Expired
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