ABSTRACT
Electrical engineering provides the most radical case of a new manufacturing industry. The 1861 Census statistics contain no trace of any manufacture of electrical apparatus, apart from a few manufacturers of telegraph cables subsumed under a general heading. Yet by 1951 the industry employed over half a million workers in England and Wales. This is markedly a metropolitan industry, and seems to have been one from the beginning. Indeed it is an important illustration of the fact that the apparent migration of industry to London between the wars did not arise from transfers of particular firms from north to south, but from faster rates of growth of certain industries which had always been strongly concentrated in the south. ELECTRICAL ENGINEERING: ENGLAND AND WALES, GREATER LONDON, 1921 AND 1951 (Source: Censuses, 1921 and 1951) https://www.niso.org/standards/z39-96/ns/oasis-exchange/table">
1861
1921
1951
England and Wales
1 Numbers employed in electrical engineering, thousands
NONE
137–1
538–6
2 Percentage of electrical engineering to all workers
0–8
2–7
Greater London
3 Numbers employed in electrical engineering, thousands
NONE
51–3
183O
4 Percentage of electrical engineering to all workers
1–6
4–3
5 Percentage of London electrical engineering to England and Wales electrical engineering workers
37–4
34–0
6 Location Quotient for electrical engineering in Greater London
2–0
1–6
