Post by: AngelOfThyNight on August 28, 2017, 05:26:07 AM
When Sprague was ready to use aids, instead of getting morose, he wanted to make a change.
Source: Inventor tackles a tech taboo (http://rss.cnn.com/~r/rss/cnn_topstories/~3/nbGuAy-Pz2A/index.html)