Period:Tang dynasty Production date:618-906 Materials:bronze, gold, Technique:gilded Dimensions:Length: 12.20 inches Description: Rule. Made of gilded bronze. IMG Comments:

Period:Unknown Materials:wood, ivory, Technique: Dimensions:Length: 32.80 centimetres Weight: 70 grammes Width: 20.10 centimetres Depth: 1.70 centimetres Description: Rule, carpent...