I can not prove they work, buy they came off of my Bridgeport before it was converted to a VFD by the previous owner so I assume everything to be in working order.
Best offer, shipping will be $11.40 in a flat-rate USPS Priority box.
Update 3/3/12: Sold.
Best offer, shipping will be $11.40 in a flat-rate USPS Priority box.
Update 3/3/12: Sold.