Data Cover Cumulative Unweighted Average Of Laborers' Wages In 78 Establishments. Source: NBER Compiled Data From Figures Published By The U.S. Census Bureau, Report On Statistics In The Manufacturing Industries, 10Th Census Report, Volume 20, 1888.
This NBER data series a08140 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: a08140
Release: NBER Macrohistory Database
National Bureau of Economic Research, Laborers' Average Daily Rate of Wages for United States [A08140USA052NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A08140USA052NNBR/, August 4, 2015.