NOTEāThe National electric rate book and State rate books are issued in loose-leaf form with binder and with supplementary pages to be issued at periodic intervals. Subscriptions for the National electric rate book and State rate books should be made tn the Federal Power Commission, Washington, D. C. Prices are as follows: National electric rate book, $15.00 including supplements to Dec. 31, 1939, supplements $7.50 (1 war subscription beginning Jan. 1, 1940); State rate books, $1.00, $1.50, or $2.00, with supplements to Dec. 31, 1939 (priced according to size), supplements 50c, 75c, or $1.00 n year subscription beginning Jan. 1, 1940).
See also Monthly catalog for October 1939, p. 1424.