THE WEIGHT OF A CUBIC FOOT OF VARIOUS SUBSTANCES, In common use for Building.

The specific gravities to determine the weights, were taken and made by CHAS. H. HASWELL.

TABLE

SHOWING THE WEIGHT OF WATER IN PIPES FOR VARIOUS DIAMETERS

8 furlongs or
1760 yds.

= 1 mile.

= 1 degree.

5 yards or 16 ft. = 1 rod or pole. 60 geo. miles

NOTE.-Bowditch gives 6120 feet in a sea mile, which, if taken as the length, will make the divisions 51 feet and 5 1-10 feet for the knot and fathom.