240 lbs. lime = l cask, will make from 7.8 to 815 cubic feet of stiff paste.

308* lbs. of finely-ground cement will make from 3.'7 to 3.8 cubic feet of stiff paste ; 79 to 83 lbs. of cement powder will make 1 cubic foot of stiff paste.

1 cubic foot of dry cement powder, measured when loose, will measure -78 to -8 cubic foot when packed, as at a manufactory.

loo yards of lath and plaster work, with wages of masons at $1.75 per day, and Rockland lime at $1 per cask, cost, respectively : 8 Coats hard finish work, $25.50: 2 Coats slipped work, $19.95.