Vol 39, No 4. Contents: 4 • Muffed Chances • [Editorial (Astounding)] • essay by John W. Campbell, Jr. [as by The Editor] 6 • Centaurus II • [Centaurus] • novelette by A. E. van Vogt 42 • Letter to Ellen • short story by Chan Davis 54 • The Model Shop • novelette by Raymond F. Jones 75 • In Times to Come (Astounding, June 1947) • [In Times to Come (Astounding)] • essay by The Editor 75 • The Analytical Laboratory: February 1947 (Astounding, June 1947) • [The Analytical Laboratory] • essay by The Editor 75 • The Analytical Laboratory: March 1947 (Astounding, June 1947) • [The Analytical Laboratory] • essay by The Editor 76 • News from Our Sun • essay by John R. Pierce [as by J. J. Coupling] 89 • Errand Boy • short story by William Tenn 103 • Fury (Part 2 of 3) • [Keeps • 2] • serial by Henry Kuttner and C. L. Moore [as by Lawrence O'Donnell]. 【 PREVIOUS ISSUE ← June 1947 → NEXT ISSUE 】