Multiple function image switching attachment for a telescope or

Details Multiple function image switching attachment for a telescope or Multiple function image switching attachment for a telescope or

1990-09-17

1991-08-27

Word, A. Hugo

Photography and optical equipment

Optical article not elsewhere specified

Lens or objective

D16132

Patent

active

D03194507

REFERENCES:
patent: D253476 (1979-11-01), Schneck et al.
patent: D265482 (1982-07-01), Bressler
patent: D268768 (1983-04-01), Melsheimer et al.
patent: D275496 (1984-09-01), Condon
patent: D295871 (1988-05-01), Charles
patent: D310381 (1990-09-01), Charles
patent: D310676 (1990-09-01), Charles
patent: 2753760 (1956-07-01), Braymer
patent: 2948189 (1961-08-01), Fischer
patent: 3468597 (1969-09-01), Jones
patent: 3645602 (1972-02-01), Clave et al.
patent: 3871741 (1975-03-01), Clave et al.
patent: 3898678 (1975-08-01), Walworth
patent: 3900858 (1975-08-01), McCann et al.
patent: 4143938 (1979-03-01), Feinbloom
patent: 4448500 (1984-05-01), Marling et al.
patent: 4600277 (1986-07-01), Murray
Sky and Telescope magazine, Feb. 1983, bottom of p. 106, Questar telescope and diagonal.
Clave, Beamsplitter.
1981 Celestron Catalog, center of p. 43, Off-Axis Guider Body.
1968 Leica Catalog No. 41, p. 11, Visoflex III Reflex Housing.
1976 Questar Instruction Book II, p. 10, Quick-Change Filter Holder.
1976 Questar Instruction Book II, p. 12, Off-Axis Tracker.
Sky and Telescope magazine, Oct. 1985, back cover, diagonal mirror attachment on Celestrom Telescope.
Photonics Spectra magazine, Aug. 1988, center of p. 29, EG&G Reticon, flip mirror attachment.

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