Source: G.H. Moore, Business Cycle Indicators, Vol. 2, NBER, P. 157 (See P. 68 For The Coverage Of Manufacturing Industries)
This NBER data series m16082 appears on the NBER website in Chapter 16 at http://www.nber.org/databases/macrohistory/contents/chapter16.html.
NBER Indicator: m16082
Release: NBER Macrohistory Database
National Bureau of Economic Research, Diffusion Index, Manufacturers' New Orders For Durable Goods, Value, Twenty-One Industries, Three Month Span for United States [M16082USM509SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M16082USM509SNBR/, July 2, 2015.