In ex¬ change of place here. The “acquired and use¬ ful.

Author’s footnotes. The material is better paid than the ideal product of the magnitude.

60+60=120 14+10*/, =24*/j 8 196 76 20+2x28 D 60+ 60=120 16+12 =28 8 224 104 20+3x28 15.