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 (enrdf_load_stackoverflow)
DE (1) DE1122730B (enrdf_load_stackoverflow)
ES (1) ES247737A1 (enrdf_load_stackoverflow)
FR (1) FR1197131A (enrdf_load_stackoverflow)
GB (1) GB914807A (enrdf_load_stackoverflow)
LU (1) LU36979A1 (enrdf_load_stackoverflow)

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

Similar Documents

Publication Publication Date Title
GB1184355A (en) Device for gunnery target practice by lase beams
GB1179984A (en) Improvements in or relating to Television Apparatus for Use with Telephones.
GB869539A (en) Improvements in devices for introducing elements, and in particular fuel rods into nuclear reactors and/or for withdrawing such elements from said reactors
GB923175A (en) Improvements in picture projection systems
BE609841A (fr) Tube cathodique en verre pour reproduction d'images
GB914807A (en) Improvements in or relating to a system for viewing an object through a layer of liquid
GB1010126A (en) Improvements relating to night telescopes
GB1043310A (en) Optical system
GB544217A (en) Hyposcope for viewing simultaneously forwards and backwards
FR1241270A (fr) Perfectionnements à des moyens optiques de visée pour caméras de télévision et appareils analogues
GB1037823A (en) Improvements in or relating to indicating or display systems
GB1110026A (en) Improvements in or relating to a method and to an arrangement for determining the number of dust particles on walls of transparent bodies
GB777764A (en) Improvements in or relating to periscopes
CA609878A (en) Combined magnifying and illuminating viewer for transparent and opaque specimens
FR1138771A (fr) Dispositif de protection oculaire avec système de miroirs pour l'observation des sources lumineuses à forte intensité de rayonnement
GB547761A (en) Improvements in means enabling submerged objects to be viewed or photographed with reduced refractive effects
GB805802A (en) Improvements relating to radiant energy image intensifier systems
AU241101B2 (en) Transparent optical viewing device
GB862446A (en) Improvements in or relating to optical sighting apparatus
AU255590B2 (en) Improvements in or relating to glass cathode ray tubes for reproducing images
BE602028A (fr) Appareil de télévision muni d'une plaque non plane transparente de protection en verre de sûrete
AU6204060A (en) Transparent optical viewing device
Turner Parallaxes of Luyten's proper motion stars
AU155554A (en) Improvements in or relating to binocular optical systems for fluoroscopic image intensifiers
GB729778A (en) Improvements in or relating to screen devices for use in viewing welding operations