Established 1891 (1891) Elevation 69 m Architectural style Neoclassical architecture | Altitude 226 feet (69 m) Website Ladd Observatory Phone +1 401-863-2323 | |
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Weather See the Clear Sky Chart Address 210 Doyle Ave, Providence, RI 02906, USA Hours Closed today FridayClosedSaturdayClosedSundayClosedMondayClosedTuesday8–10PMWednesdayClosedThursdayClosed Similar University Hall, Roger Williams National, Brown Stadium, Haffenreffer Museum of Anthropology, Sciences Library Profiles | ||
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The Ladd Observatory is an astronomical observatory of Brown University in Providence, Rhode Island, USA. The observatory was dedicated in 1891 and is named for benefactor Herbert W. Ladd who funded the construction.
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Construction
Ladd Observatory was designed by the Providence-based firm of Stone, Carpenter & Willson. The building was added to the National Register of Historic Places in 2000.
Telescope
The main telescope is a 12-inch (30 cm) refractor with a lens made by John Brashear following the design of Charles S. Hastings. The equatorial mount and mechanical clock drive were made by George N. Saegmuller.
Timekeeping
Besides astronomical research and education, Ladd sent out a time signal for decades. When they decided to stop the service in the 1970s, they discovered that nobody was actually receiving it.
Associations
Astronomers associated with Ladd include Winslow Upton, Frank W. Very, Frederick Slocum, Robert Horace Baker, and Charles H. Smiley.
H. P. Lovecraft had free access to the observatory for several years and wrote astronomy articles for Providence newspapers based upon his study there between 1906 and 1918.