Harvard Classics Volume 30: Faraday, Helmholtz, Kelvin, Newcomb, EtcEbookHarvard Classics Volume 30: Faraday, Helmholtz, Kelvin, Newcomb, EtcbyMichael FaradayRating: 0 out of 5 stars0 ratingsSave Harvard Classics Volume 30: Faraday, Helmholtz, Kelvin, Newcomb, Etc for later