To produce plaster of Paris European practice consists in baking the mineral in ovens, and in America in heating it in kettles.
These have now to pass down the heated retort on their way to the ascension pipe, and the contact with the heated sides of the retort, and the baking from the radiant heat in the retort, set up an infinity of changes.
The afternoon sun was high in the sky, baking the revelers in summer warmth as they clustered around the intersection of Sixth and Main Street, the site of the infamous water fight.
Cynthia managed a smile as she cleaned and stacked the utensil carnage from her baking frenzy while Dean sipped his coffee in silence, content to spend a few quiet minutes before the swarm of guests descended in earnest.
Subjection to the temperature of boiling water for, say, half an hour seemed an efficient mode of sterilization, until it was discovered that the spores of bacteria are so involved in heat-resisting membranes, that only prolonged exposure to dry, baking heat can be recognized as an efficient process of sterilization.
The hot season begins officially in the Punjab on the 15th of March, and from that date there is a steady rise in the temperature, induced by the fiery rays of the sun upon the baking earth, until the break of the rains in June.
Not merely were artistic sculptures and bas-reliefs found that demonstrated a high development of artistic genius, but great libraries were soon revealed, - books consisting of bricks of various sizes, or of cylinders of the same material, inscribed while in the state of clay with curious characters which became indelible when baking transformed the clay into brick.
When you have kneaded it well, mould it, and bake it under a cover, that is, in a baking kettle.
Bakers' shops are also frequent, though arrangements for grinding and baking appear to have formed part of every large family establishment.
In cellars and storerooms similar men were busy among the provisions, and in the yards unlocking or breaking open coach house and stable doors, lighting fires in kitchens and kneading and baking bread with rolled-up sleeves, and cooking; or frightening, amusing, or caressing women and children.