Series Is Presented Here As Two Variables--(1)--Original Data, 1913-1934 (2)--Original Data, 1933-1941. This Segment Refers To Only 99% Pure Aluminum. Source: 1933-1934 Data Direct From Bls. Remainder From Bls Bulletins And "Wholesale Prices."
This NBER data series m04179b appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04179b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Wholesale Price of Aluminum for New York [M0479BUS000NYM267NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0479BUS000NYM267NNBR/, November 27, 2015.