An Electronic Umpire? Baseball Tried It (In the 1950s!) - The New York Times
Future Stars Electronic Baseball Pitching Machine Combo Set - 1 Electronic Pitching Machine with 5-ball feeder, 1 24" telescoping bat, 5 foam baseballs - Walmart.com
ENTEX ELECTRONICS 1979 HANDHELD ELECTRONIC BASEBALL GAME | eBay
File:Mattel Baseball, Model 2942-0320, Made in Hong Kong, Copyright 1978 (LED Handheld Electronic Game).jpg - Wikimedia Commons
Electronic Baseball - Discontinued
Vintage Handheld Baseball Electronic Game by Radio Shack - Etsy
Amazon.com: Electronic Retro Sports Game Assortment: Baseball Electronic Games : Toys & Games
MLB looking at electronic system for calling pitches | AP News
File:Electronic Baseball by Entex Industries, Model -8001, Red LED, Made in Taiwan, Copyright 1979 (LED Handheld Electronic Game).jpg - Wikimedia Commons
Mattel Baseball
George Kell designed an electronic sign-stealing operation more than 60 years ago - Vintage Detroit Collection
Handheld video game:Mattel Electronics Baseball - Mattel, Inc. — Google Arts & Culture
/pic131289.jpg "Electric Baseball | Board Game | BoardGameGeek")
Electric Baseball | Board Game | BoardGameGeek
Amazon.com: World's Coolest Mattel Electronic Games - Baseball Handheld Games : Worlds Coolest: Toys & Games
Handheld Baseball - Etsy
Future Stars Electronic Baseball Rocket Launcher Combo Set - 1 Electronic Pitching Machine with 5-ball feeder, 1 24" telescoping bat, 5 plastic baseballs - Unisex - Perfect for all players! - Walmart.com
Amazon.com: Electronic Retro Sports Game Assortment: Baseball Electronic Games : Toys & Games
Handheld video game:Coleco Head to Head Electronic Baseball - Coleco — Google Arts & Culture
Mattel Electronic Handheld Classic Baseball Game, 2001 - A Grand Slam! - YouTube
Vanderbilt used an electronic wristband system for calling pitches
1987 Tiger Electronic Baseball Handheld Game Vintage Collectible Tested Works ! | eBay
PitchCom Extends to High School Baseball After MLB Success
Vintage Baseball Electronic Game By Micro Electronics, Dis… | Flickr
Cimarron Sports : Best prices on Hack Attack eHack Electronic Baseball Pitching Machine
File:Sears Offense-Defense Electronic Baseball, Model No. 49-65094, Made In Taiwan, Copyright 1980 (Electronic Handheld Game).jpg - Wikimedia Commons
MLB to Use Electronic Strike Zone in Triple A Leagues in 2023 – SportsTravel
