Correction: "The analysis of a class of non-series parallel redundant systems"

Summary form only given, as follows. The author of the above-named work, which appeared on pp. 127-132 of the December, 1966, issue of this Transactions, has called the following to the attention of the Editor. The sentence at the top of p. 129 should read: "Note that the approximate failure equation obtained from the LSD in Fig, 3 is equal to (1). Equation (6) should read: P3 = P2b3 + b3b2b1B3. In addition, the figure designated as Fig. 7 is Fig. 6, and vice versa.