FR692916A - Photoelectric microscope for studying the reflective powers of opaque and transparent minerals as well as metals and alloys - Google Patents

Photoelectric microscope for studying the reflective powers of opaque and transparent minerals as well as metals and alloys

Info

Publication number
FR692916A
FR692916A FR692916DA FR692916A FR 692916 A FR692916 A FR 692916A FR 692916D A FR692916D A FR 692916DA FR 692916 A FR692916 A FR 692916A
Authority
FR
France
Prior art keywords
studying
opaque
alloys
metals
well
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.)
SOC D CONST D APP DE LABORATOI
Original Assignee
SOC D CONST D APP DE LABORATOI
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 SOC D CONST D APP DE LABORATOI filed Critical SOC D CONST D APP DE LABORATOI
Application granted granted Critical
Publication of FR692916A publication Critical patent/FR692916A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/0096—Microscopes with photometer devices
FR692916D 1929-06-27 1929-06-27 Photoelectric microscope for studying the reflective powers of opaque and transparent minerals as well as metals and alloys Expired FR692916A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR692916T 1929-06-27

Publications (1)

Publication Number Publication Date
FR692916A true FR692916A (en) 1930-11-13

Family

ID=9039388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR692916D Expired FR692916A (en) 1929-06-27 1929-06-27 Photoelectric microscope for studying the reflective powers of opaque and transparent minerals as well as metals and alloys

Country Status (1)

Country Link
FR (1) FR692916A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1092485B (en) * 1952-09-19 1960-11-10 Siemens Ag Device for photoelectric scanning of register marks of a moving material web, in particular in multicolor rotary printing machines
US3036491A (en) * 1958-08-20 1962-05-29 Schier Hans Optical arrangement for inspecting bodies of revolution
CN111474173A (en) * 2020-04-26 2020-07-31 山东省地质矿产勘查开发局第一地质大队 Method and system for determining transparent mineral protrusion grade in rock and application

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1092485B (en) * 1952-09-19 1960-11-10 Siemens Ag Device for photoelectric scanning of register marks of a moving material web, in particular in multicolor rotary printing machines
US3036491A (en) * 1958-08-20 1962-05-29 Schier Hans Optical arrangement for inspecting bodies of revolution
CN111474173A (en) * 2020-04-26 2020-07-31 山东省地质矿产勘查开发局第一地质大队 Method and system for determining transparent mineral protrusion grade in rock and application

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