DE225752C - - Google Patents

Info

Publication number
DE225752C
DE225752C DENDAT225752D DE225752DA DE225752C DE 225752 C DE225752 C DE 225752C DE NDAT225752 D DENDAT225752 D DE NDAT225752D DE 225752D A DE225752D A DE 225752DA DE 225752 C DE225752 C DE 225752C
Authority
DE
Germany
Prior art keywords
compass
lamp
light
illuminated
reflector
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.)
Active
Application number
DENDAT225752D
Other languages
German (de)
English (en)
Publication of DE225752C publication Critical patent/DE225752C/de
Active 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)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
DENDAT225752D Active DE225752C (https=)

Publications (1)

Publication Number Publication Date
DE225752C true DE225752C (https=)

Family

ID=486357

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT225752D Active DE225752C (https=)

Country Status (1)

Country Link
DE (1) DE225752C (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5370046A (en) * 1992-09-22 1994-12-06 Heidelberger Druckmaschinen Aktiengesellschaft Inking unit for printing presses
USRE36083E (en) * 1992-09-22 1999-02-09 Heidelberger Druckmaschinen Ag Inking unit for printing presses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5370046A (en) * 1992-09-22 1994-12-06 Heidelberger Druckmaschinen Aktiengesellschaft Inking unit for printing presses
USRE36083E (en) * 1992-09-22 1999-02-09 Heidelberger Druckmaschinen Ag Inking unit for printing presses

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