TY - BOOK AU - Gray,Andrew TI - The theory and practice of absolute measurements in electricity and magnetism. : Volume I / PY - 1888///-93 CY - London : , New York : PB - Macmillan and co. KW - MEDIDAS ELECTRICAS KW - MEDIDAS MAGNETICAS N1 - Second ed. published in 1921, has title: Absolute measurements in electricity and magnetism UR - https://archive.org/details/in.ernet.dli.2015.503667/page/n321/mode/2up ER -