Caption

Electric energy. Electrical coil ( inductor ) by Ruhmkorff with Foucault switch
" Physique populaire " by Emile Desbeaux. Paris 1891

Credit line

Photo12/Collection Jaime Abecasis

Reference

LKO22A01_034

Model release

No

License type

Rights managed

Available size

25,0Mb (2,0Mb) / 12,4in x 7,8in / 3719 x 2350 (300dpi)