WORCESTER, Mass., May 17, 2018 /PRNewswire/ -- Expanding its recently introduced line of 2200K LED HPS replacements, Access Fixtures now offers APTA and APTI canopy lights built with 2200K LED ...

[Alec] at Technology Connections has a bit of a love/hate relationship with these displays. The Numitron is simply a seven-segment display built from light bulb filaments.