Source: Federal Reserve Board, Data For 1947-1960: Industrial Production, 1957-1959 Base. Data For 1961-1965: Industrial Production Indexes, 1961-1965, November 1966. Data For 1966-1967: Business Indexes, (Release G.12.3) January 1967, And Following Monthly Issues.
This NBER data series m01307 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: m01307
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of Production of Business Equipment for United States [M01307USM350NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M01307USM350NNBR/, June 29, 2015.