“The Portland Sun speaks of Spilker’s balls as ‘rain-bow curves.’” Muncie Daily Times, August 21, 1882, p3
Previous earliest use (Dickson Baseball Dictionary, 3rd edition, 2009):
1ST USE. 1891 (Chicago Herald, May 25; Edward J. Nichols).
Earliest uses of baseball terms
“The Portland Sun speaks of Spilker’s balls as ‘rain-bow curves.’” Muncie Daily Times, August 21, 1882, p3
Previous earliest use (Dickson Baseball Dictionary, 3rd edition, 2009):
1ST USE. 1891 (Chicago Herald, May 25; Edward J. Nichols).
