Lord Kelvin, his influence on electrical measurements and units
Paul Tunbridge · P. Peregrinus on behalf of the Institution of Electrical Engineers · 1992
Wikipedia
{{cite book |last=Tunbridge |first=Paul |title=Lord Kelvin, his influence on electrical measurements and units |publisher=P. Peregrinus on behalf of the Institution of Electrical Engineers |year=1992 |isbn=9780863412370}}