1 .-- Bromide of Lime and Starch .-- The following compound forms an excellent accelerator, and is used by many.

It is claimed for this preparation, that it will hold the bromine longer than others where starch is not employed.

As regards this claim we do not think it can be substantiated.

Our experience in practice has led us to the conclusion that there is no great difference as respects durability, but there is some little difference as regards the tone of the impressions produced by its use.
To one quart of hydrate of lime add one quart of finely pulverized starch.

To this mixture add bromine, until it assumes a deep yellow or pink color.
Starch may be added to any of the dry mixtures.
Use .-- Coat over the iodine to a deep yellow, then over this quick to a red color, recoat about one sixth of the time of first coating.
I will here again remark, that the exact color of the coating is not essentially provided a proper proportion is preserved.
I have never seen it stated, though it be a fact worthy of note, that a proportionate time for coating over the iodine and accelerator, will not answer.