82 Mineral Fusible Cemeni. 
the bottom, and this weight (of upwards of six hundred pounds) was 
supported entirely by the adhesion of the cement to the iron plug 
and the granite. 
Some further experiments were made at the Tower in December 
last, under the direction of Mr. Wright, the clerk of the works; 
when one bushel of dry sand was found to weigh one hundred and 
thirty pounds, and one bushel of Mineral Cement in a solid body 
one hundred and fourteen pounds. These experiments were made 
with a composition of two hundred and twenty eight pounds of sand 
and one hundred and fourteen pounds of cement, mixed together by 
melting; and Ist. Two bricks were united by a joint of one fourth 
of an inch with this gauged cement, and suspended by a chain which 
bore a weight of one thousand three hundred and forty four pounds, 
when one of the bricks split; but the joint, with about one fourth of 
an inch of the brick attached to it, remained perfect. 2d. Bricks 
were united with this gauged cement, in the same manner as descri- 
bed in experiment No. 3 at the King’s Mews, and extended to eigh- 
teen joints, when the second brick broke. 
The cement being thus properly guaged, will unite bricks so firmly, 
that when coated with a mixture of three fourths sand and one fourth 
cement, they will form a solid body superior in strength and quality 
to sandstone; and applicable to similar purposes. From these ex- 
periments it is evident that the Mineral Fusible Cement possesses 
two invaluable properties, viz. resistance to water and damp, and 
powerful adhesiveness. Of the latter property we may observe, that 
wood may be united to wood, iron, stone, brick, tiles or slate; and 
any of these bodies to each other, indiscriminately ; by means of this 
cement. [It may be added that it is very rare for one cement to_ 
suit so many objects. 
It is difficult to point out all the uses to which this valuable cement 
may be applied. Among the most prominent may be named, the 
formation and lining of tanks or cisterns, the lining of damp rooms oF 
_ cellars, coating the outside of houses, which would effectually keep 
out damp—for gutters on the roofs of houses, instead of that expen- 
sive article, lead—for building turrets or minarets of churches—light- 
houses, where the firmest union of parts is required—the abutments 
of a series of arches—fastening 4 iron railings in stone coping s—pre- 
serving wood in damp foundations, by coating it with cement—in 
jointing stone copings, rendering the use of lead or iron cramps #- 
mecessary—lining the inside of churches, to preserve them from 
