Fig. 31. — Detail of Fig. 33. … Fig. 32.Detail op Fig. 33. B of the spaces marked respectively B, C, D, E,FandG (Fig. 31). Fourth Row. —Turn ; chain 3, do 2 doubles intospace between 2d and 3d doubles, contiuuing as in third row.It willbe observedthat this ar-ranges thedoubles bytwos, therebeing 7 divi-sions in each row, which,…
