To copy or back up value information electronically stored in a memory region and to smoothly transfer the value information between terminals. An electrode assembly can include a reservoir cap, a reservoir bottom configured to fit to the reservoir cap and define a reservoir therewith, an electrode disposed within the reservoir, and a wicking element in electrical communication with the electrode and configured to absorb a fluid, wherein at least a portion the wicking element is configured to protrude from the reservoir bottom. The roll support means supports a plurality of forming rolls positioned to surround the core about the core rotation axis.