Color television production returned in 1953 after a brief hiatus. This time, the transition was more successful. The National Production Agency lifted its ban on manufacturing color TV sets and the National Television System Committee (NTSC) received authorization for its system at the end of the year. In January 1954, NBC aired the first nationwide color broadcast and in March of that year, Westinghouse began selling color TVs for just under $1300. We welcomed the new era of entertainment with a glossary of terms readers would have to learn once color TV sets became the standard. "A" was for additive, "B" was for back porch, "C" was for chroma control, "D" was for decoder, "E" was for electron gun, and so forth.
Read the full story in ABC's of Color Television