Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 598
eachglower. From the ballast the current flows around thecoil of wire 3. Inside of this coil is an iron core which ELECTRICITY FOR ENGINEERS 179 moves up and down, and connected to the lower endof this core are the cutouts 4,4. As the glowerbecomes heated, more current is sent around this…
