New York: Harper and Brothers, c.1951. First Edition. Second Impression. Signed Bookplate; Octavo (19cm.); blue boards stamped in blue on spine; dustjacket; illustrated with 15 plates; 164pp.; slight lean with light rubbing to board edges; Very Good + or better. Dustjacket is unclipped (priced $2.50); chipping to front panel and extremities; some toning to rear panel; Very Good +.
Covers the elements of orbital mechanics, rocket design and various applications of Earth satellites.