VFPt_quadrupole_coils_1
VFPt_quadrupole_coils_1
created with VectorFieldPlot 1.1
http://commons.wikimedia.org/wiki/User:Geek3/VectorFieldPlot
about: http://commons.wikimedia.org/wiki/File:VFPt_quadrupole_coils_1.svg
rights: GNU Free Documentation license,
Creative Commons Attribution ShareAlike license