DOUBLE TERMINALS
Appearance
A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z
you mock up four of the same person or two of one person, two of another person, in such a way as to give you four terminals with an identical line. (Spr Lect 13, 5304CM07)