Pleasures of the telescope / An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers

by Garrett Putman Serviss

ζ, [70].

ι, [71].

κ, [71].

μ, [71].

ξ, [70].

π, [70].

Σ 1772, [70].

Σ 1890 (39), [71].

Σ 1909 (44), [71].

Σ 1910 (279), [70].