TY  - SER
AU  -  Olmsted, Denison, 
TI  -  Letters on Astronomy : :  
AV  - QB 
PY  - 2012///
PB  -  Project Gutenberg, 
KW  -  Astronomy
N1  -  Preface -- Introductory observations -- Doctrine of the sphere -- Astronomical instruments; telescope -- Observatories -- Time and the calendar -- Figure of the earth -- Diurnal revolution -- Parallax and refraction -- The sun -- Annual revolution; seasons -- Laws of motion -- Terrestrial gravity -- Sir Isaac Newton; unversal gravitation; figure of the earth's orbit; precession of the equinoxes -- The moon -- The moon; phases; harvest moon; librations -- Moon's orbit; her irregularities -- Eclipses -- Longitude; tides -- Planets; Mercury and Venus -- Superior planets: Mars, Jupiter, Saturn, and Uranus -- Copernicus; Galileo -- Saturn; Uranus; asteroids -- The planetary motions; Kepler's laws; Kepler -- Comets -- Meteoric showers -- Fixed stars -- System of the world -- Natural theology -- Recent discoveries;  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/40240
ER  -