Figure 29 is a front elevation of the same ; Figure 30 is a section on the line 30 - 30 of Figure 31 ; .
I Figure 31 is a section on the line 31 - 31 of Figure 30 .
Figure 29 is a front elevation of the same ; Figure 30 is a section on the line 30 - 30 of Figure 31 ; and I Figure 31 is a section on the line 31 - 31 of Figure 30 .