FR973256A - Precision symmetrical slit particularly applicable to optical instruments - Google Patents

Precision symmetrical slit particularly applicable to optical instruments

Info

Publication number
FR973256A
FR973256A FR973256DA FR973256A FR 973256 A FR973256 A FR 973256A FR 973256D A FR973256D A FR 973256DA FR 973256 A FR973256 A FR 973256A
Authority
FR
France
Prior art keywords
particularly applicable
optical instruments
symmetrical slit
precision
precision symmetrical
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
Andre Baillet
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 FR973256A publication Critical patent/FR973256A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/04—Slit arrangements slit adjustment

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
FR973256D 1941-08-05 1941-08-05 Precision symmetrical slit particularly applicable to optical instruments Expired FR973256A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR973256T 1941-08-05

Publications (1)

Publication Number Publication Date
FR973256A true FR973256A (en) 1951-02-09

Family

ID=9516612

Family Applications (1)

Application Number Title Priority Date Filing Date
FR973256D Expired FR973256A (en) 1941-08-05 1941-08-05 Precision symmetrical slit particularly applicable to optical instruments

Country Status (2)

Country Link
FR (1) FR973256A (en)
GB (1) GB601061A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1118994B (en) * 1960-02-12 1961-12-07 Phywe Ag Symmetrical gap
DE1144497B (en) * 1960-11-22 1963-02-28 Bodenseewerk Perkin Elmer Co Gap arrangement for optical devices
US3457004A (en) * 1964-05-21 1969-07-22 Zeiss Jena Veb Carl Adjustable slit control for spectroscopic apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1118994B (en) * 1960-02-12 1961-12-07 Phywe Ag Symmetrical gap
DE1144497B (en) * 1960-11-22 1963-02-28 Bodenseewerk Perkin Elmer Co Gap arrangement for optical devices
US3457004A (en) * 1964-05-21 1969-07-22 Zeiss Jena Veb Carl Adjustable slit control for spectroscopic apparatus

Also Published As

Publication number Publication date
GB601061A (en) 1948-04-27

Similar Documents

Publication Publication Date Title
FR922475A (en) Advanced optical glasses
FR973256A (en) Precision symmetrical slit particularly applicable to optical instruments
FR973186A (en) Advanced prism binoculars
FR922474A (en) Improvements to optical glasses
FR885604A (en) Improvements to optical instruments
FR932158A (en) Improvements to binocular optical instruments
SU657246A1 (en) Gyroscopic instrument
FR900089A (en) Drawing instrument
FR923312A (en) Optical glasses
FR875541A (en) Motion amplifier and its application to precision instruments
FR932761A (en) Improvements to range finders, altimeters and similar optical observation instruments
FR932978A (en) Improvements to rangefinders and similar optical measuring instruments
FR846742A (en) Improvements to optical sighting instruments
FR888167A (en) Optical micrometer
FR932977A (en) Improvements to range finders, altimeters and similar optical measuring instruments
FR972822A (en) Optical instrument for measuring angles
FR937682A (en) Improvements to instrument cases
FR905405A (en) Riflescope with single magnification lenses
CA399145A (en) Optical measuring instrument
FR866777A (en) Improvements to electro-optical telescopes
FR888244A (en) Slider divided ruler
FR946831A (en) Improvements to navigation instruments
FR925963A (en) Improvements to mirror devices such as kaleidoscopes in particular
FR951543A (en) Improvements to optical sighting instruments
DK63028C (en) Measuring instrument of the micrometer type.