[ s 57 3 
2 Inches thick ; the Shaft 2 Feet high, upon which 
lies another Brick like wife 2 Inches thick, fome 17, 
18, and others 19 Inches fquare, as at Fig. 3. which 
Teprefents the Profile of Two fquare Pillars with the 
fquare Bricks at Top and Bottom, which make the 
whole Height of the Alveus 2 Feet 4 Inches. The 
Pillars, both round and fquare, are jointed with Mor- 
tar, and that very clumfily : The round Pillars being 
compofed of 10 Courfes of femicircular Bricks, as at 
Fig. 4. A , laid by Pairs*, the Joint of every Courfe 
eroding that of the former at right Angles, as at Fig . 
4. C’i with fo much Mortar betwixt, that the Two 
Semicircles rather form an Oval, and fo the Pillars 
look at firft Sight as if they were wreathed : The 
fquare Pillars are compofed of 1 3 Courfes of Bricks, 
as at Fig. 4. B ; 8 Inches fquare, as at Fig. 4. F ) ; thefe 
Bricks being thinner than thofe which compofe the 
round Pillars. 
On the Top of thefe Pillars reds the Teftudo or 
Floor of the Sudatorium or Sweating-Room, Fig. 2. 
HI, which is compofed thus: Firft, there is a Floor 
of large Bricks, 2 3 Inches long, and 2 1 broad, which 
lie over the fquare Bricks on the Tops of the Pillars, 
as at Fig. 3. the Four Corners of each Brick reaching 
to the Centres of Four adjoining Pillars, as at Fig. 5. 
where only one of thefe larger Bricks is reprefented, 
as it bears upon Four of the fmaller Bricks with their 
Pillars under them. On this Courfe of Bricks is a 
Covering of Cement 6 Inches thick, and upon that is 
fet a tefleliated Pavement: The Teffellee of the Cor- 
ner uncovered, K, in Fig. 1 and 2. are of a whitifli 
Colour. 
L 
