Its external relations, on the one hand to dynamics, and on the other to heat, light, chemical action, and the constitution of bodies, seem to indicate the special importance of electrical science as an aid to the interpretation of nature.
1961 January, “The North-East London electrification of the Great Eastern Line”, 出自 Trains Illustrated，頁號 19:
The host of business travellers between Bishops Stortford and London would scarcely take kindly to devious routing via the Southbury line; on the other hand, it is not desirable that they should overcrowd the business trains to and from Cambridge.
