Discovering astronomy
By: William H. Jefferys, R. Robert Robbins.
Contributors: Robbins, Ralph Robert, 1938-
Place of publication: New York
Number of pages: 466
Subjects: Astronomy.
Notes: Pocket contains 2 cardboard cutouts, 1 diffraction slide, 1 black vinyl square, and 1 magnifying glass.                        Includes index.

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