This leads to various gradients of pH levels, which govern which types of algae are present, the blue-green algae " Mastigocladus laminosus ", or the eukaryotic algae " Cyanidium caldarium ".
32.
Except for the demolished refectory, the abbey retains almost all of its original buildings : church, dormitory, cloister, chapter house, caldarium or " warming room ", dovecote and forge, all built in Romanesque style.
33.
He gives explicit instructions how to design such buildings so that fuel efficiency is maximised, so that for example, the " caldarium " is next to the " tepidarium " followed by the " frigidarium ."
34.
Another theatrical reference is found in a graffito scrawled on the wall between the " tepidarium " ( a bath maintained at a pleasantly warm temperature ) and the " caldarium " ( an environment more like a steam bath ).
35.
He inscribed seven of the great red granite Roman columns of the " caldarium " with the names in his list of Seven Archangels : the three familiar ones, Gabriel, with the archangels specific to Eastern Orthodoxy : Selaphiel, Jegudiel, Barachiel and Uriel.
36.
Sometimes, as in the old baths at Pompeii, the " laconicum " was provided in an apse at one end of the " caldarium ", but as a rule it was a separate room raised to a higher temperature and had no bath in it.
37.
Beyond that are the hot rooms, each a little warmer than the last : the tepidarium, the laconium and the caldarium, where three huge windows would at that time have offered a view of the Bay of Naples a mile away before layers of volcanic rock got in the way.
38.
Along the sides of the caldarium were private rooms that are believed to have had multiple functions, including private baths, poetry readings, rhetoricians, etc . Other areas attached to the caldarium were a garden, lounging rooms, gymnasiums, and small halls and semicircular exedrae used as lecture and reading rooms.
39.
Along the sides of the caldarium were private rooms that are believed to have had multiple functions, including private baths, poetry readings, rhetoricians, etc . Other areas attached to the caldarium were a garden, lounging rooms, gymnasiums, and small halls and semicircular exedrae used as lecture and reading rooms.
40.
Vitruvius describes their construction and operation in his work " De architectura " in about 15 BCE, including details about how fuel could be conserved by building the hot room ( caldarium ) for men next to that for women, with both adjacent to the tepidarium, so as to run the public baths efficiently.
