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Table 1 Ratio of opening to walls of the sericulture space in the omoya when originally built. (Source: Sweet Yee Cheng)

From: Preservation and management of a World Heritage site Tajima Yahei Sericulture Farm and its buffer zone

 

Length of wall (in ken)

Length of opening (in ken)

Ratio of opening to wall (Opening ÷ Total length)

Front

13.5

9.0

0.67

Rear

13.5

6.0

0.44

East

5.0

3.0

0.60

West

5.0

3.0

0.60