Cincinnati 2 M Horizontal Mill Arbor

2005620i have a horizontal hendey norton milling machine that i think might need to take a ride toohe hendey has a threaded outside spindle like a lathe, what goes there what do you fellas think would it be worth the time and trouble to fix it up or do i need to send it down the river ben its not a end mill holder unless its for a 2" endmill.