Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Tons, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Series Is Presented Here As Two Variables--(1)--Original Data, 1857-1936 (2)--Orininal Data, 1920-1937. Total Of Steel Rails, New; Sleepers And Fishplates; Railway, Etc. Material, All Other Tyres And Axles, Wheels And Axles, Complete. Computed Total Of 5 Items As Shown In December, 1936. Source: Accounts Relating To Trade And Navigation

This NBER data series m07033b appears on the NBER website in Chapter 7 at http://www.nber.org/databases/macrohistory/contents/chapter07.html.

NBER Indicator: m07033b