Pickering, Edward C., (Edward Charles), 1846-1919.
Person
REFINE MY RESULTS:
- Type
- Archival Object 25
- Collection 1
- Subject
- Astronomical photometry. 3
- Asteroids. 1
- Astronomers -- United States. 1
- Astronomical instruments 1
- Astronomical instruments -- Design and construction. 1
- Astronomy -- 19th century. 1
- Astronomy -- Observations. 1
- Comets. 1
- Harvard University -- Astronomy 1
- Letters (correspondence) 1
- Longitude -- Measurement -- History. 1
- Meteorology--Observations 1
- Meteors. 1
- Time -- Systems and standards -- United States. 1
- Time measurements. 1
- Time-signals. 1
- Variable stars. 1 ∧ less
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