Apfel, Necia H.
Astronomy and planetology /
by Necia H. Apfel.
- New York : Franklin Watts, 1983.
- 122 p. : ill.
- Projects for young scientists .
Gives instructions for building or making theodolites, sundials, telescopes, spectroscopes and times for observing the sun, moon, etc.
83003476
Astronomy--Experiments.
Astronomical instruments.
Space sciences.
522