FR651666A - Perfectionnement aux indicateurs de niveau lumineux - Google Patents

Perfectionnement aux indicateurs de niveau lumineux

Info

Publication number
FR651666A
FR651666A FR651666DA FR651666A FR 651666 A FR651666 A FR 651666A FR 651666D A FR651666D A FR 651666DA FR 651666 A FR651666 A FR 651666A
Authority
FR
France
Prior art keywords
improvement
light level
level indicators
indicators
light
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
English (en)
Inventor
Andre-Martial Gage
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 FR651666A publication Critical patent/FR651666A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/02—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR651666D 1928-03-24 1928-03-24 Perfectionnement aux indicateurs de niveau lumineux Expired FR651666A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR651666T 1928-03-24

Publications (1)

Publication Number Publication Date
FR651666A true FR651666A (fr) 1929-02-21

Family

ID=9004803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651666D Expired FR651666A (fr) 1928-03-24 1928-03-24 Perfectionnement aux indicateurs de niveau lumineux

Country Status (1)

Country Link
FR (1) FR651666A (fr)

Similar Documents

Publication Publication Date Title
FR600546A (fr) Indicateur de niveau
FR38922E (fr) Niveau
FR665281A (fr) Véhicule démontable
FR663091A (fr) Indicateur de niveau
FR663473A (fr) Indicateur de niveau
FR662473A (fr) Indicateur de niveau exclusivement métallique
FR690008A (fr) Indicateur de niveau
FR630754A (fr) Indicateur de niveau
FR719299A (fr) Indicateur de niveau
FR658990A (fr) Perfectionnements aux métiers rectilignes
FR646208A (fr) Perfectionnements aux indicateurs de niveau
FR637201A (fr) Perfectionnements aux indicateurs de niveau
FR672010A (fr) Niveau focal
FR733877A (fr) Niveau perfectionné
FR680562A (fr) Perfectionnement aux boîtes-emballages
FR665164A (fr) Perfectionnement aux aérocalorifères
FR677356A (fr) Perfectionnement aux norias
FR658979A (fr) Perfectionnement aux bascules auto-enregistreuses
FR668007A (fr) Indicateur de temps
FR648024A (fr) Perfectionnement apporté aux indicateurs de niveau de liquide
FR666007A (fr) Indicateurs lumineux
FR655843A (fr) Perfectionnement aux télémètres périscopiques
FR648199A (fr) Indicateur de niveau
FR34075E (fr) Indicateur de niveau
FR653081A (fr) Indicateur de niveau