The record contains 14 TX-0 plug in bottle transformer modules. The modules are made up of 2 parts. There is a seven pin socket with 1 core formed transformer soldered to the circuit side of the socket. There are 9 bottles with ceramic cores and 5 with metal cores. There are 8 cores that have copper wire wrapped all around it. There are 6 cores with wire wrapped only at the base facing the socket. These 6 bottles have the transformer and a diode soldered into them. There is also a clear plastic bottle that screws onto the sockets and encapsulates the soldered components.
