Series Is Presented Here As Two Variables--(1)--Original Data, 1868-1924 (2)--Original Data, 1915-1938. Data Represent Steel Ingots Only. Source: National Federation Of Iron And Steel Manufacturers, Data For 1868-1870: Iron And Coal Trade Review, December 1927, P. 134. Data For 1871-1924: Statistics Of The Iron And Steel Industries, 1934, P. 9.
This NBER data series a01183ba appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: a01183ba
Release: NBER Macrohistory Database
National Bureau of Economic Research, Steel Production for Great Britain [A013BAGBA576NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A013BAGBA576NNBR/, November 27, 2015.