Series Is Presented Here As Two Fariables--(1)--Seasonally Adjusted Data, 1949-1953 (2)--Seasonally Adjusted Data, 1954-1964. NBER Derived This Index From NBER Series 16043 (Cumulated Net Diffusion Index, New Orders For Durable Goods, Manufacturing Industries, Nine Month Span). Source: NBER
This NBER data series m16022a appears on the NBER website in Chapter 16 at http://www.nber.org/databases/macrohistory/contents/chapter16.html.
NBER Indicator: m16022a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Diffusion Index, Manufacturers' New Orders For Durable Goods, Twenty-One Industries, Nine Month Span for United States [M1622AUSM509SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M1622AUSM509SNBR/, August 1, 2015.