00782nam a22002171 4500 w 06000216 DLC 20260227112804.0 870803s1898 enkaf 00010 eng w 06000216 //r87 Washington D.C. Public Libr./ICU ICU QC518 .G77 QC518 .G77 Copy 2 Copy 2. Gray, Andrew, 1847-1925. A treatise on magnetism and electricity; by Andrew Gray ... In two volumes, Vol. I. London, Macmillan and co., limited; New York, The Macmillan company, 1898. xv, [2], 479 p. incl. illus., diagrs. VIII pl. (diagrs.) 24 cm. Two volumes planned; second volume never published. Electricity. Magnetism. 91749 91749