The jukebox in the Ruby Room bar is a Rock-Ola Model 1428 made in 1948.
On May 23, 1970, six months after the December 11, 1969 television premier of the episode- the actress Nydia Westman (Mrs.Periwinkle) was dead.
Adjusting for inflation, the $9000 Mrs. Periwinkle lost would be over $72,000 in 2024.