Series Is Presented Here As Two Variables--(1)--Original Data, 1874-1897 (2)--Original Data, 1886-1933. Pounds, Shillings, And Pence Were Converted To Shillings And Decimal Of Shilling By NBER. Quotations Wre Given Weekly, Dated Friday. The Last Weekly Quotation For Any Month (Or The Quotation Dated Up To And Including The Third Of The Following Month) Is The Figure Taken For That Month. The Series Covers The Years 1874-1897, When Scotch Pig Was Considered A Leading Type Of The Product. Source: Computed By NBER, Based On Data In The London Economist
This NBER data series m04012a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04012a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Pig Iron Price, Scotch Pig for Great Britain [M0412AGBM524NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0412AGBM524NNBR/, November 24, 2015.