DE268193C - - Google Patents

Info

Publication number
DE268193C
DE268193C DE1913268193D DE268193DD DE268193C DE 268193 C DE268193 C DE 268193C DE 1913268193 D DE1913268193 D DE 1913268193D DE 268193D D DE268193D D DE 268193DD DE 268193 C DE268193 C DE 268193C
Authority
DE
Germany
Prior art keywords
mirror
vial
peephole
line
sight
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
DE1913268193D
Other languages
German (de)
English (en)
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 DE268193C publication Critical patent/DE268193C/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
DE1913268193D 1912-12-31 1913-01-24 Expired DE268193C (OSRAM)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE262746T 1912-12-31
DE268193T 1913-01-24

Publications (1)

Publication Number Publication Date
DE268193C true DE268193C (OSRAM) 1913-12-10

Family

ID=34888348

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1913268193D Expired DE268193C (OSRAM) 1912-12-31 1913-01-24

Country Status (1)

Country Link
DE (1) DE268193C (OSRAM)

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