Gray, Andrew, 1847-1925 |
Absolute measurements in electricity and magnetism / by Andrew Gray |
London : Macmillan, 1884. |
Gray, Andrew, 1847-1925 |
The theory and practice of absolute measurements in electricity and magnetism [Microform] / by Andrew Gray |
London : Macmillan, 1888-1893. |
Gray, Andrew, 1847-1925 |
The theory and practice of absolute measurements in electricity and magnetism / by Andrew Gray |
London ; New York : Macmillan, 1888-1893. |
Gray, Andrew, 1847-1925 |
A treatise on magnetism and electricity : in two volumes / by Andrew Gray |
London : Macmillan, 1898- |