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GB914807A - Improvements in or relating to a system for viewing an object through a layer of liquid - Google Patents

Improvements in or relating to a system for viewing an object through a layer of liquid

Info

Publication number
GB914807A
GB914807A GB812059A GB812059A GB914807A GB 914807 A GB914807 A GB 914807A GB 812059 A GB812059 A GB 812059A GB 812059 A GB812059 A GB 812059A GB 914807 A GB914807 A GB 914807A
Authority
GB
United Kingdom
Prior art keywords
tube
image
march
mirror
radiations
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
Application number
GB812059A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Publication of GB914807A publication Critical patent/GB914807A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00—Shielded cells or rooms
    • G21F7/02—Observation devices permitting vision but shielding the observer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
GB812059A 1958-03-08 1959-03-09 Improvements in or relating to a system for viewing an object through a layer of liquid Expired GB914807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR760021 1958-03-08

Publications (1)

Publication Number Publication Date
GB914807A true GB914807A (en) 1963-01-02

Family

ID=8705931

Family Applications (1)

Application Number Title Priority Date Filing Date
GB812059A Expired GB914807A (en) 1958-03-08 1959-03-09 Improvements in or relating to a system for viewing an object through a layer of liquid

Country Status (6)

Country Link
CH (1) CH352506A (es)
DE (1) DE1122730B (es)
ES (1) ES247737A1 (es)
FR (1) FR1197131A (es)
GB (1) GB914807A (es)
LU (1) LU36979A1 (es)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1301534A (en) * 1916-07-24 1919-04-22 William S Armstrong Submarine telescope.
US1451096A (en) * 1920-07-23 1923-04-10 Oscar A Hagen Telescope
US1989443A (en) * 1934-07-17 1935-01-29 Fred W Arnold Combined hydroscope and grappler
US2496430A (en) * 1947-05-27 1950-02-07 Malcolm F Berglund Hydroscope and camera combination
US2525921A (en) * 1947-11-19 1950-10-17 Emeloid Co Inc Plastic lens
US2730921A (en) * 1953-03-11 1956-01-17 Howard W Little Underwater viewing device
GB758668A (en) * 1953-11-06 1956-10-10 Francis Michael Russell Improvements in or relating to optical lenses

Also Published As

Publication number Publication date
LU36979A1 (es) 1959-09-07
ES247737A1 (es) 1959-09-16
CH352506A (fr) 1961-02-28
FR1197131A (fr) 1959-11-27
DE1122730B (de) 1962-01-25

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