GB645208A - Improvements in and relating to optical instruments - Google Patents

Improvements in and relating to optical instruments

Info

Publication number
GB645208A
GB645208A GB298948A GB298948A GB645208A GB 645208 A GB645208 A GB 645208A GB 298948 A GB298948 A GB 298948A GB 298948 A GB298948 A GB 298948A GB 645208 A GB645208 A GB 645208A
Authority
GB
United Kingdom
Prior art keywords
relating
optical instruments
instruments
optical
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
GB298948A
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.)
HEINRICH RICHARD RONNEBECK
Imperial Chemical Industries Ltd
Original Assignee
HEINRICH RICHARD RONNEBECK
Imperial Chemical Industries Ltd
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 HEINRICH RICHARD RONNEBECK, Imperial Chemical Industries Ltd filed Critical HEINRICH RICHARD RONNEBECK
Priority to GB298948A priority Critical patent/GB645208A/en
Publication of GB645208A publication Critical patent/GB645208A/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)
GB298948A 1948-02-02 1948-02-02 Improvements in and relating to optical instruments Expired GB645208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB298948A GB645208A (en) 1948-02-02 1948-02-02 Improvements in and relating to optical instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB298948A GB645208A (en) 1948-02-02 1948-02-02 Improvements in and relating to optical instruments

Publications (1)

Publication Number Publication Date
GB645208A true GB645208A (en) 1950-10-25

Family

ID=9749813

Family Applications (1)

Application Number Title Priority Date Filing Date
GB298948A Expired GB645208A (en) 1948-02-02 1948-02-02 Improvements in and relating to optical instruments

Country Status (1)

Country Link
GB (1) GB645208A (en)

Cited By (1)

* 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

Cited By (1)

* 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

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