Lassell's Reflecting Telescope

English astronomer William Lassell's 24-inch reflecting telescope, completed in 1845. Lassell's (1799-1880) telescope was the first to be mounted equatorially. With it, in 1851, he discovered four new satellites: Neptune, Neptune's largest moon, and two moons of Uranus

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Astronomical Diagram Equatorial Inch Reflecting Telescope

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