FR725531A - Improvements in the production of levels - Google Patents

Improvements in the production of levels

Info

Publication number
FR725531A
FR725531A FR725531DA FR725531A FR 725531 A FR725531 A FR 725531A FR 725531D A FR725531D A FR 725531DA FR 725531 A FR725531 A FR 725531A
Authority
FR
France
Prior art keywords
levels
production
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)
Inventor
Omer Marischal
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 FR725531A publication Critical patent/FR725531A/en
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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR725531D 1931-11-03 1931-11-03 Improvements in the production of levels Expired FR725531A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR725531T 1931-11-03
FR44756T 1934-04-19

Publications (1)

Publication Number Publication Date
FR725531A true FR725531A (en) 1932-05-13

Family

ID=62495312

Family Applications (2)

Application Number Title Priority Date Filing Date
FR725531D Expired FR725531A (en) 1931-11-03 1931-11-03 Improvements in the production of levels
FR44756D Expired FR44756E (en) 1931-11-03 1934-04-19 Improvements in the production of levels

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR44756D Expired FR44756E (en) 1931-11-03 1934-04-19 Improvements in the production of levels

Country Status (1)

Country Link
FR (2) FR725531A (en)

Also Published As

Publication number Publication date
FR44756E (en) 1935-04-06

Similar Documents

Publication Publication Date Title
FR727569A (en) Improvements in the manufacture of artificial materials
FR734697A (en) Improvements in the manufacture of knitted objects
FR44756E (en) Improvements in the production of levels
FR723800A (en) Improvements in the production of pasta
FR41648E (en) Further training in the manufacture of ceramic materials
FR718915A (en) Further training in the making of espadrilles
FR739712A (en) Improvements in the production of phosphorus
FR735731A (en) Improvements in the manufacture of beds
FR727687A (en) Improvements in the manufacture of lithopone
FR719467A (en) Improvements in the manufacture of briquettes
FR729798A (en) Improvements in soap making
FR734324A (en) Improvements in the manufacture of metal beds
FR739571A (en) Improvements in the manufacture of thermostats
FR729616A (en) Improvements in the manufacture of footwear
FR712987A (en) Improvements in the manufacture of wallets
FR726658A (en) Improvement in the manufacture of gourds
FR746896A (en) Developments in the manufacture of zippers
FR747405A (en) Improvements in the production of hollow ingots
FR714062A (en) Improvements in the manufacture of aliphatic anhydrides
FR737271A (en) Improvements in shoe manufacturing
FR727337A (en) Improvements in brick making
FR718932A (en) Improvements in the manufacture of radiators
FR721608A (en) Improvements in the production of polychlornaphthalenes
FR737321A (en) Improvements in the production of stainless alloys
FR720898A (en) Improvements in the production of elastic tapes