FR975623A - Improvement in the illumination of dials of measuring devices - Google Patents

Improvement in the illumination of dials of measuring devices

Info

Publication number
FR975623A
FR975623A FR975623DA FR975623A FR 975623 A FR975623 A FR 975623A FR 975623D A FR975623D A FR 975623DA FR 975623 A FR975623 A FR 975623A
Authority
FR
France
Prior art keywords
dials
illumination
improvement
measuring devices
measuring
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR975623A publication Critical patent/FR975623A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR975623D 1942-03-16 1942-03-16 Improvement in the illumination of dials of measuring devices Expired FR975623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR975623T 1942-03-16

Publications (1)

Publication Number Publication Date
FR975623A true FR975623A (en) 1951-03-07

Family

ID=9518225

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975623D Expired FR975623A (en) 1942-03-16 1942-03-16 Improvement in the illumination of dials of measuring devices

Country Status (1)

Country Link
FR (1) FR975623A (en)

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