What Is It?:

By hook or by crook this re­ally is a tricky one

Sunday Tasmanian - Tassie Living - - NEWS -

This cu­ri­ous de­vice was found at The Drill Hall an­tique store in New Nor­folk. Made in the late 1800s, this de­vice has two dif­fer­ent sized hooks and two dif­fer­ent sized metal rings, all con­nected by chain links.

The flat, cres­cent moon-shaped metal piece in­side the cen­tral ring is en­graved with lines, dots and num­bers.

The nee­dle, which points to the en­grav­ings on the cres­cent, is at­tached with a hinge to the edge of the cen­tre ring ad­ja­cent to the con­cave of the moon.

The ap­pear­ance of this mys­te­ri­ous item re­minds me of a con­vict ball and chain or leg irons, but the nu­meric in­scrip­tions and hinged nee­dle hint that it might have a more math­e­matic pur­pose.

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