This light-sensing pointing device, called a "light gun," was used with the Whirlwind computer. It has an "L" shaped cylindrical body of aluminum with a gray hammertone finish. There is a micro switch ...
Citations: Greenstein, Shane, James Wade. 1998. The Product Life Cycle in the Commercial Mainframe Computer Market, 1968- 1982. RAND Journal of Economics. (4)772-789.
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