A—CAKE. B—STONE. C—HAMMER. D—BRASS WIRE.
E—BUCKET CONTAINING WATER.
F—FURNACE FROM WHICH THE CAKE HAS BEEN TAKEN, WHICH IS STILL SMOKING.
G—LABOURER CARRYING A CAKE OUT OF THE WORKS.
F—FURNACE FROM WHICH THE CAKE HAS BEEN TAKEN, WHICH IS STILL SMOKING.
G—LABOURER CARRYING A CAKE OUT OF THE WORKS.
The ashes which pass through the sieve are of the same use as they were
at first, for, indeed, from these and pulverised bones they make the cupels.
Finally, when much of it has accumulated, the yellow pompholyx adhering to
the walls of the furnace, and likewise to those rings of the dome near the
apertures, is cleared away.
at first, for, indeed, from these and pulverised bones they make the cupels.
Finally, when much of it has accumulated, the yellow pompholyx adhering to
the walls of the furnace, and likewise to those rings of the dome near the
apertures, is cleared away.
I must also describe the crane with which the dome is raised.
When
it is made, there is first set up a rectangular upright post twelve feet
long, each side of which measures a foot in width. Its lower pinion turns
in a bronze socket set in an oak sill; there are two sills placed crosswise so
it is made, there is first set up a rectangular upright post twelve feet
long, each side of which measures a foot in width. Its lower pinion turns
in a bronze socket set in an oak sill; there are two sills placed crosswise so