___ Reap (historic Cambodian city), 4 letters
Unit of conductance, 7 letters
Unit of electrical conductance, 7 letters
German electrical engineer (1816-1892), 7 letters
A unit of conductance equal to the reciprocal of an ohm, 7 letters
Engineer who was a brother of Ernst Werner von Siemens and who moved to England (1823-1883), 7 letters