FR813718A - Observation projector - Google Patents

Observation projector

Info

Publication number
FR813718A
FR813718A FR813718DA FR813718A FR 813718 A FR813718 A FR 813718A FR 813718D A FR813718D A FR 813718DA FR 813718 A FR813718 A FR 813718A
Authority
FR
France
Prior art keywords
projector
observation
observation projector
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
French (fr)
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.)
BENZOL VERBAND GmbH
Original Assignee
BENZOL VERBAND GmbH
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 BENZOL VERBAND GmbH filed Critical BENZOL VERBAND GmbH
Application granted granted Critical
Publication of FR813718A publication Critical patent/FR813718A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2476—Non-optical details, e.g. housings, mountings, supports

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR813718D 1935-11-18 1936-11-18 Observation projector Expired FR813718A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE813718X 1935-11-18

Publications (1)

Publication Number Publication Date
FR813718A true FR813718A (en) 1937-06-08

Family

ID=6734075

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813718D Expired FR813718A (en) 1935-11-18 1936-11-18 Observation projector

Country Status (1)

Country Link
FR (1) FR813718A (en)

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