The Data Given Here Were Checked With Iron Age Throughout As Well As With The American Iron And Steel Institute'S Annual Reports. For 1890-1928, The Series Is Called "Bessemer." For 1929-1943, It Is "Open Hearth, Rerolling." For A Number Of Years Prior To 1929, "Bessemer" And "Open Hearth "Prices Were Identical, And The "Bessemer" Prices Were Discontinued From 1929 On. See The Annual Reports Of The American Iron And Steel Institute And Iron Age. The January, 1887 Figure Was Misprinted In The Source As 24.5. A Check With The January, 1887 Issue Of The Source Showed The Figure Should Be 34.5, Which Is Given Here. "Prior To 1886, Steel Billets Were Not A Regular Merchant Commodity, Seldom Being Mentioned In Market Reports." (Iron Age, January 7, 1915, P.12) Quotations Given Are The Average (Of Weekly Quotations) Monthly Price Per Ton At Mills In Pittsburgh. Source: 1886-1889 Data Are From Iron Age, January 7, 1915, P.12. 1890- 1943 Data Are From Bls Bulletins And "Wholesale Prices."
This NBER data series m04149 appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04149
Release: NBER Macrohistory Database
National Bureau of Economic Research, Wholesale Price of Steel Billets, Bessemer for Pittsburgh, PA [M04149US38300M288NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M04149US38300M288NNBR/, November 26, 2015.