FR688049A - Device for reading variation angles, with combined variation and compass dials - Google Patents

Device for reading variation angles, with combined variation and compass dials

Info

Publication number
FR688049A
FR688049A FR688049DA FR688049A FR 688049 A FR688049 A FR 688049A FR 688049D A FR688049D A FR 688049DA FR 688049 A FR688049 A FR 688049A
Authority
FR
France
Prior art keywords
variation
angles
combined
reading
dials
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)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR688049A publication Critical patent/FR688049A/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
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR688049D 1929-01-16 1930-01-11 Device for reading variation angles, with combined variation and compass dials Expired FR688049A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE688049X 1929-01-16

Publications (1)

Publication Number Publication Date
FR688049A true FR688049A (en) 1930-08-18

Family

ID=6598397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR688049D Expired FR688049A (en) 1929-01-16 1930-01-11 Device for reading variation angles, with combined variation and compass dials

Country Status (1)

Country Link
FR (1) FR688049A (en)

Similar Documents

Publication Publication Date Title
FR698774A (en) Alarm device
FR688049A (en) Device for reading variation angles, with combined variation and compass dials
FR692133A (en) Two-movement interlocking device
FR701618A (en) Sealing device
FR673550A (en) Coupling device
FR687649A (en) Stop device for watches
FR690598A (en) Wiper device
FR686735A (en) Device for fitting ampoules
FR698508A (en) Coupling device with adjustable sliding during full travel
FR682835A (en) Device for reading maps, views, images, inscriptions and their equivalent
CH152943A (en) Clock movement adjustment device.
FR683065A (en) Ventilation device
FR676437A (en) Stapling device for conical keys
FR701043A (en) Advancement device
FR683128A (en) Chicken coop and special device for use
FR706426A (en) Regulator device, in particular for network voltages
FR693717A (en) Servo device
FR38355E (en) Servo device
FR689724A (en) Orientation device for t frames. s. f.
FR691511A (en) Pen interchangeability device
FR669556A (en) Device for writing and drawing
FR672424A (en) Clutch device
FR720743A (en) Damping device
FR694072A (en) Device for presenting images
FR677820A (en) Automatic indicator of routes, timetables, etc.