Analog: September, 1963, Vol. LXXII, No. 1

98 pp. COVER: Chemical industry in space. "September 1963. Cover art by Nat White illustrating "Industrial Revolution" by Poul Anderson [as by Winston P. Sanders]. ALSO: "Chrono-Control" by Frank A. Javor; plus stories by William J. Smith, Rick Raphael, and James R. Hall. FEATURES: Editorial by John W. Campbell; Brass Tacks (letters); "Which Polaris Do You Mean?" (science essay) by R. S. Richardson; The Reference Library (book reviews) and more. Interior artwork by: Leo Summers, George Schelling. Editor: John W. Campbell."