A scientific tuning device found essential to gauge accurate settings for the successful transposition of bio-matter. A unique piece for the aristocratic steampunk enthusiast.

A wide-shanked pewter ring with etched brass dial and moveable dial indicator.

This ring was hand crafted in England of lead-free, fine English Pewter & Brass. Approximate Dimensions based on US size 10/T: Width 0.98" x Height 1.22" x Depth 0.83"