Heavy gauge enameled copper wire wound on former 110 x 30 mm. Secondary coil of fine enameled copper wire on former 120 x 82 mm. Both coils fitted with 4 mm sockets.
With primary of heavy gauge enameled copper wire, approximate resistance 0.5 ohms wound on former 110 x 30 mm length x diameter. Secondary coil of fine enameled copper wire, approximately resistance 100 ohms on former 120 x 82 mm length x diameter. Both coils fitted with 4 mm sockets. Iron core 160 x 15 mm length x diameter.
