FR993016A - Appareil pour faciliter l'observation dans les instruments astronomiques - Google Patents

Appareil pour faciliter l'observation dans les instruments astronomiques

Info

Publication number
FR993016A
FR993016A FR993016DA FR993016A FR 993016 A FR993016 A FR 993016A FR 993016D A FR993016D A FR 993016DA FR 993016 A FR993016 A FR 993016A
Authority
FR
France
Prior art keywords
facilitating observation
astronomical instruments
astronomical
instruments
facilitating
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
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.)
Messier SA
Original Assignee
Messier 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 Messier SA filed Critical Messier SA
Application granted granted Critical
Publication of FR993016A publication Critical patent/FR993016A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/16—Roof structures with movable roof parts
    • E04B7/163—Roof structures with movable roof parts characterised by a pivoting movement of the movable roof parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/16—Roof structures with movable roof parts
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR993016D 1944-11-07 1944-11-07 Appareil pour faciliter l'observation dans les instruments astronomiques Expired FR993016A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR993016T 1944-11-07

Publications (1)

Publication Number Publication Date
FR993016A true FR993016A (fr) 1951-10-25

Family

ID=9555306

Family Applications (1)

Application Number Title Priority Date Filing Date
FR993016D Expired FR993016A (fr) 1944-11-07 1944-11-07 Appareil pour faciliter l'observation dans les instruments astronomiques

Country Status (1)

Country Link
FR (1) FR993016A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484412A (zh) * 2016-01-13 2016-04-13 广西大学 一种自动开闭体育馆顶盖

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484412A (zh) * 2016-01-13 2016-04-13 广西大学 一种自动开闭体育馆顶盖

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