Set of Chinese Writing Implements, a Parallel Ruler, 1800-1925

Ruler (parallel), 1800-1925

Details

Category:
Printing & Writing
Object Number:
1927-1068/6
Materials:
brass (copper, zinc alloy)
Measurements:
overall: 5 mm x 255 mm x 20 mm, .215kg
type:
parallel ruler
credit:
W G Ford