FR651946A - Device for examining narrow tubes - Google Patents

Device for examining narrow tubes

Info

Publication number
FR651946A
FR651946A FR651946DA FR651946A FR 651946 A FR651946 A FR 651946A FR 651946D A FR651946D A FR 651946DA FR 651946 A FR651946 A FR 651946A
Authority
FR
France
Prior art keywords
examining
narrow tubes
tubes
narrow
examining narrow
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.)
FIRME GEORG WOLF GmbH
Original Assignee
FIRME GEORG WOLF 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 FIRME GEORG WOLF GmbH filed Critical FIRME GEORG WOLF GmbH
Application granted granted Critical
Publication of FR651946A publication Critical patent/FR651946A/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
    • G02B23/2407—Optical details

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR651946D 1927-04-16 1928-03-29 Device for examining narrow tubes Expired FR651946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE651946X 1927-04-16

Publications (1)

Publication Number Publication Date
FR651946A true FR651946A (en) 1929-03-01

Family

ID=6581612

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651946D Expired FR651946A (en) 1927-04-16 1928-03-29 Device for examining narrow tubes

Country Status (1)

Country Link
FR (1) FR651946A (en)

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