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THE SELECTION AND TESTING OF A GLASS 1

How to get a good telescope--Difference between reflectors and refractors--How a telescope is made achromatic--The way to test a telescope on stars.

IN THE STARRY HEAVENS 19

Orion and its wonders, Lepus, Canis Major, Argo, Monoceros, Canis Minor, and the Head of Hydra.

FROM GEMINI TO LEO AND ROUND ABOUT 38

The zodiacal constellations Gemini, Cancer, and Leo, and their neighbors Auriga, the Lynx, Hydra, Sextans, and Coma Berenices.

VIRGO AND HER NEIGHBORS 57

Crater and Corvus, Hydra, Virgo, the "Field of the Nebulae," Libra, Bo?tes, and the great Arcturus, Canes Venatici, and Corona Borealis.

IN SUMMER STAR-LANDS 75

Scorpio and its red-green gem, Ophiuchus, Sagittarius, Scutum Sobieskii, Capricornus, Serpens, Hercules, Draco, Aquila, and Delphinus.

FROM LYRA TO ERIDANUS 97

Lyra and its brilliant Vega, Cygnus, Vulpecula, Aquarius, Equuleus, Pegasus, Cetus, and Eridanus.


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