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2. 40-foot telescope - Wikipedia

   en.wikipedia.org/wiki/40-foot_telescope

   William Herschel 's 40-foot telescope, also known as the Great Forty-Foot telescope, was a reflecting telescope constructed between 1785 and 1789 at Observatory House in Slough, England. It used a 48-inch (120 cm) diameter primary mirror with a 40-foot-long (12 m) focal length (hence its name "Forty-Foot"). It was the largest telescope in the ...

3. Charles Allan Gilbert - Wikipedia

   en.wikipedia.org/wiki/Charles_Allan_Gilbert

   Charles Allan Gilbert. Charles Allan Gilbert (September 3, 1873 – April 20, 1929), better known as C. Allan Gilbert, was an American illustrator. He is especially remembered for a widely published drawing (a memento mori or vanitas) titled All Is Vanity. The drawing employs a double image (or visual pun) in which the scene of a woman admiring ...

4. List of largest optical reflecting telescopes - Wikipedia

   en.wikipedia.org/wiki/List_of_largest_optical...

   There are only a few sites capable of polishing the mirrors for these telescopes. SAGEM in France polished the four VLT mirrors, the two Gemini mirrors, and the 36 segments for GTC. [18] The Steward Observatory Mirror Lab cast and polished the two LBT mirrors, the two Magellan mirrors, the MMT replacement mirror, and the LSST primary/tertiary ...

5. Bathroom - Wikipedia

   en.wikipedia.org/wiki/Bathroom

   Bathroom. A bathroom is a room in which people wash their bodies or parts thereof. It can contain one or more of the following plumbing fixtures: a shower, a bathtub, a bidet, and a sink (also known as a wash basin in the UK). The inclusion of a toilet is common. There are also specific toilet rooms, only containing a toilet (most often ...

6. Parabolic reflector - Wikipedia

   en.wikipedia.org/wiki/Parabolic_reflector

   A parabolic (or paraboloid or paraboloidal) reflector (or dish or mirror) is a reflective surface used to collect or project energy such as light, sound, or radio waves. Its shape is part of a circular paraboloid, that is, the surface generated by a parabola revolving around its axis. The parabolic reflector transforms an incoming plane wave ...

7. With J.J. McCarthy out for the season, this is Sam Darnold's ...

   www.aol.com/sports/j-j-mccarthy-while-sam...

   Sam Darnold was very likely to start Week 1 for the Minnesota Vikings no matter what happened this month. The team seemed set on having first-round draft pick J.J. McCarthy sit and learn.