Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Number of Cars, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables--(1)--Original Data, 1913-1941 (2)--Original Data, 1941-1964. Data Refer To Orders From Both Outside Builders And From Owned Shops. The Figures For December, 1913 And December, 1918 Are Estimated. (N.B. Where Some Monthly Figures Are Obviously Misprinted Or Erroneously Revised The Correct Item Has Been Determined With The Annual Sum). Source: Iron Trade Review, For Data Through July, 1930; Thereafter, "Steel" Until 1941.