How and why to make a user-friendly sidewalk telescope
By: by John L. Dobson ; edited by Norman Sperling.
Contributors: Sperling, Norman, 1947-
Edition: 1st ed.
Publisher: Everything in the Universe
Published: 1991
Place of publication: Oakland, Calif
Language: eng
Number of pages: 165
Subjects: Dobson, John L. 1915-; Telescopes -- Design and construction -- Amateurs' manuals.; Astronomy -- California -- San Francisco -- Popular works.; Astronomers -- United States -- Biography.