AT178209B - Telescope with a line of sight which forms a constant angle with the plumb line regardless of minor movements of the telescope by using a movable mirror whose position is influenced by gravity - Google Patents

Telescope with a line of sight which forms a constant angle with the plumb line regardless of minor movements of the telescope by using a movable mirror whose position is influenced by gravity

Info

Publication number
AT178209B
AT178209B AT178209DA AT178209B AT 178209 B AT178209 B AT 178209B AT 178209D A AT178209D A AT 178209DA AT 178209 B AT178209 B AT 178209B
Authority
AT
Austria
Prior art keywords
telescope
line
sight
influenced
gravity
Prior art date
Application number
Other languages
German (de)
Original Assignee
Zeiss Opton Optische Werke
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 Zeiss Opton Optische Werke filed Critical Zeiss Opton Optische Werke
Application granted granted Critical
Publication of AT178209B publication Critical patent/AT178209B/en

Links

AT178209D 1952-02-19 1953-02-14 Telescope with a line of sight which forms a constant angle with the plumb line regardless of minor movements of the telescope by using a movable mirror whose position is influenced by gravity AT178209B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE178209X 1952-02-19

Publications (1)

Publication Number Publication Date
AT178209B true AT178209B (en) 1954-04-26

Family

ID=5704865

Family Applications (1)

Application Number Title Priority Date Filing Date
AT178209D AT178209B (en) 1952-02-19 1953-02-14 Telescope with a line of sight which forms a constant angle with the plumb line regardless of minor movements of the telescope by using a movable mirror whose position is influenced by gravity

Country Status (1)

Country Link
AT (1) AT178209B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855818A (en) * 1954-07-29 1958-10-14 Askania Werke Ag Altitude reading means for a theodolite
US2938422A (en) * 1955-12-23 1960-05-31 Rolland L Hardy Resiliently controlled differential tilting assembly for image stabilization and automatic levelling of optical instruments
US2981141A (en) * 1957-01-16 1961-04-25 Hilger & Watts Ltd Optical compensator and tilt detector
DE1165885B (en) * 1956-10-23 1964-03-19 Hensoldt & Soehne Optik Device for automatic leveling of the finish line
US3220297A (en) * 1959-02-26 1965-11-30 Keuffel & Esser Co Self compensating telescope level having fixed and pendulum mounted pairs of reflecting surfaces
US4650324A (en) * 1986-02-25 1987-03-17 Realist, Inc. Level Transit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855818A (en) * 1954-07-29 1958-10-14 Askania Werke Ag Altitude reading means for a theodolite
US2938422A (en) * 1955-12-23 1960-05-31 Rolland L Hardy Resiliently controlled differential tilting assembly for image stabilization and automatic levelling of optical instruments
DE1165885B (en) * 1956-10-23 1964-03-19 Hensoldt & Soehne Optik Device for automatic leveling of the finish line
US2981141A (en) * 1957-01-16 1961-04-25 Hilger & Watts Ltd Optical compensator and tilt detector
US3220297A (en) * 1959-02-26 1965-11-30 Keuffel & Esser Co Self compensating telescope level having fixed and pendulum mounted pairs of reflecting surfaces
US4650324A (en) * 1986-02-25 1987-03-17 Realist, Inc. Level Transit

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