TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

BUBBLE AXIS [3 records]

Record 1 2016-08-08

English

Subject field(s)
  • Surveying Instruments
OBS

In surveying total stations and theodolites, the trunnion axis is the axis about which the telescope transits. It is parallel to the horizontal axis defined by the tubular spirit bubble.

French

Domaine(s)
  • Instruments d'arpentage
DEF

[Sur] un théodolite ou un tachéomètre, axe autour duquel bascule la lunette.

OBS

L'axe des tourillons ou axe secondaire est théoriquement perpendiculaire à l'axe principal.

Spanish

Save record 1

Record 2 2016-08-08

English

Subject field(s)
  • Surveying Instruments
OBS

Once the instrument is levelled, the line of sight becomes horizontal and the vertical axis becomes truly vertical, provided the instrument is in adjustment... The instrument is levelled roughly by three-foot screws with respect either to the bubble tube...

French

Domaine(s)
  • Instruments d'arpentage
CONT

Mise à niveau de l'instrument. Après avoir mis l'instrument en station, mettez-le de niveau avec la nivelle sphérique.

Spanish

Save record 2

Record 3 1999-05-11

English

Subject field(s)
  • Surveying Instruments
  • Recording and Control Instrumentation
  • Scientific Instruments
DEF

The horizontal line tangent to the upper surface of the centered bubble, which lies in the vertical plane through the longitudinal axis of the bubble tube.

French

Domaine(s)
  • Instruments d'arpentage
  • Appareils de contrôle et d'enregistrement
  • Instruments scientifiques
DEF

Tangente de la division zéro au grand cercle de la fiole d'un niveau, qui est horizontale lorsque la bulle coïncide avec cette division zéro.

Spanish

Save record 3

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