Why? Interesting Stories, Fun Facts, Questions & Answers about Science, History, Pop Culture, Traditions and More by Riddleland
Author:Riddleland [Riddleland]
Language: eng
Format: epub
Published: 2022-10-24T22:00:00+00:00
The flashing rear end devices gradually began to be called âFredâ. At first, they were âflashing rear end devicesâ; that was shortened to the acronym âF.R.E.D.â; and soon, instead of people saying, âI have the Fâ R -E- Dâ, they simply said, âI have Fred.â
Some of these end-of-train devices ETD) not only flashed a warning to other trains, but they also gathered data and sent this data to the engineerâs computer, known as the head-of-train device (HTD). Since âFredâ was the name of the rear device, the head-of-train device affectionately became known as Wilma. (Do you remember Fred and Wilma Flintstone, the modern stone age family, who lived in Bedrock? Yabba-dabba-doo if you have heard of this early 1960s cartoon!)
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