The Piped Dice  1

The Reliable Compass  1

The reliable lantern  1

The Roberval balance  1

The rowel spur  1

The rustic pottery  1

The rusty gold pan  1

The shark tooth  1

The tetradrachm of Seleucus I  1

The Useful Shovel  1

The wooden jewelry box  1

The wooden tankard  1