FR716737A - Niveau à bulle d'air - Google Patents

Niveau à bulle d'air

Info

Publication number
FR716737A
FR716737A FR716737DA FR716737A FR 716737 A FR716737 A FR 716737A FR 716737D A FR716737D A FR 716737DA FR 716737 A FR716737 A FR 716737A
Authority
FR
France
Prior art keywords
air bubble
bubble level
level
air
bubble
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)
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.)
Optische Anstalt CP Goerz AG
Original Assignee
Optische Anstalt CP Goerz AG
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 Optische Anstalt CP Goerz AG filed Critical Optische Anstalt CP Goerz AG
Application granted granted Critical
Publication of FR716737A publication Critical patent/FR716737A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
    • G01C9/26—Details
    • G01C9/30—Means for adjusting dimensions of bubble

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR716737D 1931-05-07 1931-05-07 Niveau à bulle d'air Expired FR716737A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR716737T 1931-05-07

Publications (1)

Publication Number Publication Date
FR716737A true FR716737A (fr) 1931-12-26

Family

ID=9089704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR716737D Expired FR716737A (fr) 1931-05-07 1931-05-07 Niveau à bulle d'air

Country Status (1)

Country Link
FR (1) FR716737A (fr)

Similar Documents

Publication Publication Date Title
FR750164A (fr) Carburateur à giclage
FR716737A (fr) Niveau à bulle d'air
SU24575A1 (ru) Палатка
FR726061A (fr) Indicateur d'orientation
FR727975A (fr) Filtre à air
FR708622A (fr) Nouvelle disposition de niveau à bulle d'air
FR722441A (fr) Dispositif d'attelage à rotule
FR718583A (fr) Carburateur à niveau constant
FR728940A (fr) Boussole d'orientation
FR729925A (fr) Compartiment à couchettes
FR739281A (fr) Carburateur à pompe d'accélération
FR692187A (fr) économiseur d'air tubulaire
FR815940A (fr) Ballon-jouet gonflé d'air
FR736382A (fr) Anémomètre
FR725375A (fr) Agitateur-mélangeur à hélices
FR719299A (fr) Indicateur de niveau
FR715806A (fr) Indicateur de niveau à distance
FR40445E (fr) Alidade alti-stadimétrique auto-réductrice
FR714959A (fr) Voiture d'enfants
FR718915A (fr) Perfectionnement à la fabrication des espadrilles
FR713104A (fr) Tableau d'enseignement
FR42828E (fr) Compresseur d'air
FR719725A (fr) Humecteur de poche
FR722421A (fr) Navire aérien
FI13251A (fi) Sätt att framställa kolfattiga metaller och legeringar