Herschel, John F. W. (John Frederick William), Sir, 1792-1871. The telescope. (From the Encyclopd̆ia britannica.) / By Sir John F.W. Herschel ...

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Herschel, John F. W. (John Frederick William), Sir, 1792-1871.

The telescope. (From the Encyclopd̆ia britannica.) / By Sir John F.W. Herschel ...

Telescopes.