Pivotless equatorial table for a telescope

Details Pivotless equatorial table for a telescope Pivotless equatorial table for a telescope

1989-08-11

1991-11-05

Arnold, Bruce Y.

Optical: systems and elements

Compound lens system

Telescope

G02B 2316, G02B 2300

Patent

active

050626990

ABSTRACT:
A pivotless equatorial table for a telescope comprises a horizontal platform carried by at least five tracks on five rollers. The rollers are attached to a fixed base. The surfaces of the tracks are all rotation symmetrical around a common virtual axis whereby the only motion of the platform is a rotation around the virtual axis. The virtual axis is aligned parallel to the polar axis of the earth. Accordingly, the platform moves around the polar axis.

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Roger W. Sinnott (editor), "Gleanings for ATM's", Sky and Telescope, Feb. 1980, pp. 163-167.
R. E. Cox and R. W. Sinnott (editors), "Gleanings for ATM's", Sky and Telescope, Jan. 1977, pp. 64-67.
Jean Texereau, How to Make a Telescope, Appendix 1, pp. 385-389.
Richard Berry, "Telescope Making", #40, Spring 1990, pp. 38-41.

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