In Chapter XXXIV of Book XXXVI it is said that the decoction of gagates[154] in wine cures the diseases of the teeth; and in Chapter XLII of the same book are praised the dentifrice powders made of pumice stone.
First treat the whole surface with pumice stone as directed for the bromide paper, afterwards go over it with the crayon and cotton.
To the question, how can animated nature, which you suppose every where established, exist in planets of iron, emery, or pumice stone?
New patterns, before being used, should be rubbed over on the rough side with a smooth piece of pumice stone; this wears off the burr and makes the stamping come out cleaner and finer.
Take fine powder of pumice stone, four drams; fine powder of cuttlefish bone, four drams; add one scruple of subcarbonate of soda.
Another evidence of submarine volcanic eruptions is to be found in great quantities of ashes, scoriae, or pumice stone, that are seen spread out over the surface of the ocean after the commotions referred to in the preceding paragraph.
In this way a very light variety of highly cellular lava known as pumice stone is produced.
In the case of pumice stone, however, this raising goes on to such an extent that the mass consists often of less than 2% of solid matter, the remainder being a tangled mass of air.
The quality of the rubbing accomplished depends much upon the selection of the blocks of pumice stone.
It is then allowed to stand two days before being polished and cleaned up with flour of pumice stone.
However, for the very high class work, the natural lava, or pumice stone, is not to be surpassed.
Do you think it'll pay to have you playing about there hour after hour with a bit of pumice stone?
But nowadays the only place you'd see a bit ofpumice stone was in a glass case in a museum, with a label on it.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "pumice stone" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
