Day: September 14, 2019

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Honeywell Redi-line Electric Generator Inverter DA14L-1600 watts

Back in the day before pure sine wave inverters, motor-generators were sometimes used to convert DC from batteries into alternating current with units like these. They weren't real efficient, and required a decent current draw before they'd even spin up.

Old Sylvania 300watt Clear Incandescent Light Bulb

I remember at Plattsburgh State that some of the campus meeting rooms had these massive light fixtures with 300 watt bulbs. Each campus meeting room had two of these bulbs for lighting -- while bright, they sucked down 600 watts per hour, or a kilowatt hour every hour and a half in relatively small rooms. But they were getting a lot of cheap Canadian hydropower on the campus, so replacing these luminaries with modern energy saving fixtures probably wasn't worth the cost.