FR438452A - Appareil à calcul tachéométrique - Google Patents

Appareil à calcul tachéométrique

Info

Publication number
FR438452A
FR438452A FR438452DA FR438452A FR 438452 A FR438452 A FR 438452A FR 438452D A FR438452D A FR 438452DA FR 438452 A FR438452 A FR 438452A
Authority
FR
France
Prior art keywords
tachometric
calculator
tachometric calculator
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
Albert Kopp
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR438452A publication Critical patent/FR438452A/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
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/10—Comparing observed direction with north indication
    • G01C17/12—Comparing observed direction with north indication by sighting means, e.g. for surveyors' compasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR438452D 1911-11-25 1911-11-25 Appareil à calcul tachéométrique Expired FR438452A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR438452T 1911-11-25

Publications (1)

Publication Number Publication Date
FR438452A true FR438452A (fr) 1912-05-18

Family

ID=1479967

Family Applications (1)

Application Number Title Priority Date Filing Date
FR438452D Expired FR438452A (fr) 1911-11-25 1911-11-25 Appareil à calcul tachéométrique

Country Status (1)

Country Link
FR (1) FR438452A (fr)

Similar Documents

Publication Publication Date Title
FR438452A (fr) Appareil à calcul tachéométrique
FR439427A (fr) Appareil à draguer
FR457947A (fr) Appareil à calcul
FR18119E (fr) Appareil rheolaveur à courants ascensionnels multiples
FR18051E (fr) Appareil rhéolaveur à courants ascensionnels multiples
FR17269E (fr) Appareil rhéolaveur à courants ascensionnels multiples
FR17333E (fr) Appareil rhéolaveur à courants ascensionnels multiples
FR17757E (fr) Appareil rhéolaveur à courants ascensionnels multiples
FR435720A (fr) Appareil rhéolaveur à courants ascensionnels multiples
CH53262A (fr) Appareil multicopiste à main
FR20611E (fr) Appareil à bronzer
FR449957A (fr) Appareil à remouler
FR429148A (fr) Appareil à exhalaison sulfureuse
FR434205A (fr) Appareil photographique
FR463893A (fr) Appareil à additionner
FR431378A (fr) Appareil à désinfecter
FR433314A (fr) Appareil à désinfecter
FR427685A (fr) Appareil totalisateur enregistreur
FR472003A (fr) Appareil à humidifier
FR464994A (fr) Règle à calcul
FR468417A (fr) Règle à calcul
FR426367A (fr) Appareil transpositeur
FR434967A (fr) Appareil fumivore
FR432416A (fr) Appareil fumivore
FR430024A (fr) Appareil fumivore