The Material Inventory of the Portuguese Colony

Those we use are made 5 feet broad and 6 high and as many in length and 4 feet beneath the arches. But in order to show you exactly how they are built I will make you a plan of it here.… Here is the kiln raised as far as the arches, where the floor is made in which different methods are followed. Many cut out the slabs which extend from one arch to another … others are accustomed to contrive these vents by leaving the bricks a little apart one from another.