Sidgwick, J. B. (John Benson), 1916- Amateur astronomer's handbook / J.B. Sidgwick.

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Sidgwick, J. B. (John Benson), 1916-

Amateur astronomer's handbook / J.B. Sidgwick.

Astronomy -- Amateurs' manuals.

Astronomical instruments -- Amateurs' manuals.

1980.

Gamble, R. C.