'American electrical engineer William Stanley invents this device for changing energy from AC to DC'
transformer
SCIENCE & TECH DIGEST: 1885: American electrical engineer William Stanley invents this device for changing energy from AC to DC
American electrical engineer William Stanley invents this device for changing energy from AC to DC
American electrical engineer William Stanley invents this device for changing energy from AC to DC
SCIENCE & TECH DIGEST: 1885
transformer
SCIENCE & TECH DIGEST: 1885