Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Number of Locomotives, Not Seasonally Adjusted

Frequency:  Annual

Notes:

Data For 1880-1887 Are Based On Returns Of 19 Private Firms. Three Are Not Included Whose Output In Any Year Would Not Exceed 100 Locomotives. 1888 Figure Is From 17 Private Firms Giving "Undoubtedly Very Near The Whole Year'S Output." 66 Railroad Companies In The United States And Canada Report 382 New Locomotives Not Included In Figure Given Here. 1889 Figure Is From 16 Private Firms. "Product Of Firms Not Reporting Would Probably Not Raise The Output To 2,000." 1890 Figure Is From 15 Private Firms. 1891-1895 Data Are From 13 Private Firms, With The Exception Of 1893 Which Is From 14 Firms. The Only Other Apparent Change In The Firms Included Arises From Changes In Ownership, Consolidation, Etc. In 1894, 3 Firms Built No Locomotives. 1905-1911 Data Include Canadian Output. Beginning In 1912, Canadian Output And Equipment Built In Railroad Shops Are Both Included. Canadian Output Is Given Separately Only For The Years 1929-1938. The Year And The Number Built Follow: 1929 - 96; 1930 - 111; 1931 - 24; 1932 - 3; 1933- 0; 1934 - 0; 1935 - 4; 1936 - 23; 1937 - 45; 1938 - 46. Source: 1880-1895 Data From Railway Gazette; 1896-1933 Data From Railway Age, January 27, 1934, P.156; 1934-1938 Data From Railway Age, January 7, 1939, P.80.

This NBER data series a01152 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: a01152