Figures Are For The Estimated Total Insured Persons Employed In The Following: (I) Metal Extraction And Manufacture. Coke Ovens And By-Product Works; Pig Iron (Blast Furnaces); Steel Melting And Iron Puddling, Iron And Steel Rolling, Etc.; Iron Ore And Ironstone Mining, Etc.; Lead, Tin, And Copper Mining; Other Mining And Quarrying; Brass, Copper, Zinc, Tin, Lead, Etc.; Iron And Steel Tubes; Wire, Wire Netting, Wire Ropes. (Ii) Engineering. General Engineering; Engineers' Iron And Steel Founding; Electrical Engineering; Marine Engineering, Etc.; Railway Carriages And Wagons, Etc.; Brass And Allied Metal Wares; Metal Industries Not Separately Specified; Shipbuilding And Ship Repairing; Electrical Wiring And Contracting; Electrical Cable, Apparatus, Lamps, Etc. For More Information, See Also Source, P.132. "Figures Beginning With September, 1937 Are Based On A New Method Of Counting Unemployed, Which Raises Them Slightly, Relative To Previous Figures" (Source, P.105). Source: E.H. Phelps Brown And G.L.S. Shackle, "British Economic Fluctuations, 1924-1938, " Oxford Economic Papers No.2, May 1939, Pp.100 And Following.
This NBER data series m08135 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08135
Release: NBER Macrohistory Database
National Bureau of Economic Research, Employment In Producers' Durable Goods Trades for Great Britain [M08135GBM173NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M08135GBM173NNBR/, September 4, 2015.