Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Number of Locomotives, Not Seasonally Adjusted

Frequency:  Annual

Notes:

Indications Point To Calendar Year. Source: History Of Baldwin Locomortive Works, 1832-1923 P. 182.

This NBER data series a01151 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: a01151