Source: S. Fabricant, Capital Consumption And Adjustment (NBER), 1938, Table 29, P. 160
This NBER data series a10065 appears on the NBER website in Chapter 10 at http://www.nber.org/databases/macrohistory/contents/chapter10.html.
NBER Indicator: a10065
Release: NBER Macrohistory Database
National Bureau of Economic Research, Depreciation, Consumers' Capital, Automobiles for United States [A10065USA027NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A10065USA027NNBR/, October 8, 2015.