FR1004168A - Device for observing temperature differences - Google Patents

Device for observing temperature differences

Info

Publication number
FR1004168A
FR1004168A FR1004168DA FR1004168A FR 1004168 A FR1004168 A FR 1004168A FR 1004168D A FR1004168D A FR 1004168DA FR 1004168 A FR1004168 A FR 1004168A
Authority
FR
France
Prior art keywords
temperature differences
observing temperature
observing
differences
temperature
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)
Inventor
Yvon-Victor-Marie-Lo Delbord
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 filed Critical
Application granted granted Critical
Publication of FR1004168A publication Critical patent/FR1004168A/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
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1004168D 1947-03-13 1947-03-13 Device for observing temperature differences Expired FR1004168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1004168T 1947-03-13

Publications (1)

Publication Number Publication Date
FR1004168A true FR1004168A (en) 1952-03-26

Family

ID=9563595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1004168D Expired FR1004168A (en) 1947-03-13 1947-03-13 Device for observing temperature differences

Country Status (1)

Country Link
FR (1) FR1004168A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5613777A (en) * 1994-06-03 1997-03-25 Land Instruments International Limited Improvements relating to radiation thermometers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5613777A (en) * 1994-06-03 1997-03-25 Land Instruments International Limited Improvements relating to radiation thermometers

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