Rare 18th c. Georgian-era Scientific or Drafting Instrument, Ivory Ruler in Fine Shagreen Etui, Case Georgian jewelry The sand and sailboat's body

The sand and sailboat's body are also natural shells

A slight dent to the 15k gold backing

A lovely larger chest here

So silky smooth in the hand

The central court of the Palace grounds is a garden

Rare 18th c. Georgian-era Scientific or Drafting Instrument, Ivory Ruler in Fine Shagreen Etui, Case Georgian jewelry The sand and sailboat's bodyA rare and very elegant survival from the 18th century a gentlemans pocket expanding ruler housed in its original green shagreen tui. The ruler is formed of seven slender ivory sections (3 closed length), joined with brass rivets, and inked in red with finely drawn linear decoration and numbering. When extended, it forms a practical measuring rule, compact enough to slip into a waistcoat pocket yet precise enough for architectural, surveying, or