Thingiverse
Ghostly Strobe Calibration Disc for Turntables @ 60Hz by danrockwell
by Thingiverse
Last crawled date: 4 years, 7 months ago
This strobe disc can be used to calibrate the speed of a turntable. Some fluorescent light bulbs operate at 60Hz and can be used at the 60Hz strobe light needed for calibration on the US power grid.