Might be for a wood shaper or another wood machine - or metal machine.
Martin

Martin H. Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
TSRA, Life; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal.
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member.
http://lufkinced.com/


William Noble wrote:
in a pile of stuff from an estate of a tool collector, I picked up a small
arbor - female threads on one end - 3/4 inch X16TIP, about 4 inches of 1/2
inch shafting with the usual nuts and spacers - looks like a miniature
version of an arbor for a horizontal mill - anyone recognize it from this
description?