DE297648C - - Google Patents

Info

Publication number
DE297648C
DE297648C DENDAT297648D DE297648DA DE297648C DE 297648 C DE297648 C DE 297648C DE NDAT297648 D DENDAT297648 D DE NDAT297648D DE 297648D A DE297648D A DE 297648DA DE 297648 C DE297648 C DE 297648C
Authority
DE
Germany
Prior art keywords
prism
bussole
line
rulers
hollow
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
DENDAT297648D
Other languages
German (de)
English (en)
Publication of DE297648C publication Critical patent/DE297648C/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)
  • Lenses (AREA)
DENDAT297648D Active DE297648C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE297648C true DE297648C (enrdf_load_html_response)

Family

ID=551926

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT297648D Active DE297648C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE297648C (enrdf_load_html_response)

Similar Documents

Publication Publication Date Title
DE3033870C2 (de) Vorrichtung zum Nachweis von immunologischen Agglutinationsmustern
DE297648C (enrdf_load_html_response)
DE677614C (de) Vorrichtung zum Messen der Durchsichtigkeit einer Fluessigkeit, insbesondere von OEl
DE3432838A1 (de) Strahlenbrechungsmesser
EP0069060A2 (de) Stellfuss für geodätische Instrumente
DE261466C (enrdf_load_html_response)
DE2624885A1 (de) Messinstrument mit linearer anzeige
DE383822C (de) Rechenhilfsmittel mit auf einer Linientafel schwenkbaren Linealen
DE404561C (de) Vorrichtung zur Feststellung der Bearbeitungszeiten von Materialien an Arbeitsmascheinen
DE208230C (enrdf_load_html_response)
DE187849C (enrdf_load_html_response)
DE278737C (enrdf_load_html_response)
DE300552C (enrdf_load_html_response)
DE72703C (de) Mefstisch für Polaraufnahmen
DE191455C (enrdf_load_html_response)
DE863550C (de) Zeichnungsgeraet
DE265981C (enrdf_load_html_response)
DE418761C (de) Vorrichtung zum Betrachten eines Bildbandes
DE610136C (de) Geraet zur Kursbestimmung fuer Luftfahrzeuge
DE300517C (enrdf_load_html_response)
DE307793C (enrdf_load_html_response)
DE732762C (de) Navigationsinstrument
DE299920C (enrdf_load_html_response)
DE181203C (enrdf_load_html_response)
DE298494C (enrdf_load_html_response)