The Sears Tower—Harvard Observatory is a historic astronomical observatory that is part of Harvard Observatory and is located at 60 Garden Street in Cambridge, Massachusetts. Now just a portion of the observatory's Building A, the Sears Tower is the oldest portion of the complex, designed by Isaiah Rogers and constructed in 1843. This structure is a square brick building, with a projecting cornice and a Greek Revival entrance framed by pilasters. The dome was equipped with a 15-inch telescope, the state of the art at the time.[2]

Sears Tower-Harvard Observatory
U.S. National Register of Historic Places
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Location	Cambridge, Massachusetts
Coordinates	42°22′53.26″N 71°7′42.13″W
Built	1843
Architect	Isaiah Rogers
MPS	Cambridge MRA
NRHP reference No.	86002075[1]
Added to NRHP	February 26, 1987

The tower was listed on the National Register of Historic Places in 1987.[1]

See also

• List of astronomical observatories
• National Register of Historic Places listings in Cambridge, Massachusetts

References

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