Glue, gelatine, animal charcoal, phosphorous, cements, pastes and mucilages

The most important of this class is the cement used for securing window-panes. Good glaziers’ putty is a product of extraordinary durability, and, besides for puttying glass and...

The manufacture of bone-glue differs chiefly from that of skin-glue in the processes employed for the conversion of the glue-yielding tissues. This conversion may be effected by...

Gelatine, like glue, is produced from hides and skins, and bones. It is distinguished by its purity, has a slight yellowish tint, and is very hard and elastic. In cold water it...

However, before entering into the description of these operations, it will be necessary to refer to an intermediate product, which has been previously mentioned under the name o...

The raw materials used for the manufacture of glue consist of a variety of animal offal. The principal substances employed are refuse from tanyards, such as scraps of ox and oth...

In some instances the preparation of phosphorus is carried on in conjunction with other industries, for instance, glue-boiling, the preparation of sal ammoniac, yellow prussiate...

_Joiner’s Glue._—This variety is without doubt the oldest in use and most in demand, and its principal requisite is its great adhesive power. It is used for joining wood, leathe...

It is of importance that the manufacturer as well as the dealer should know how to test the quality of a glue. This may be done by chemical means and in a mechanical way.

Isinglass is obtained from the air-bladder or sound, as it is sometimes termed, of different kinds of fishes, especially of the sturgeon, species _Acipenser_. It is used for cul...

The organisms of all animals, but more especially of the higher classes, contain tissues which are insoluble in cold, as well as in hot, water. However, by continued boiling the...

An inquiry into the various technical uses of glue must be of interest to the manufacturer so as to enable him, when acting, as is frequently the case, as salesman, to know to w...

When we attempt a division of the cements according to the bodies to be cemented, we find that the result will be a larger number of groups; as we must take into consideration w...

Many experiments have been made to bleach glue, _i. e._, to obtain masses as colorless as possible, or at least slightly colored, the resulting product being more valuable than...

Cement for ivory and bone; Cement for white enameled clock faces; Cements for glass; Cement for glass upon glass; Cement for glass upon metal; Cement for metal letters upon glas...

Extraction of bones with benzine or carbon disulphide; Apparatus for the use of benzine invented by Messrs. Wm. Adamson and Charles F. A. Simonis of Philadelphia, Pa., described...

Quantity of substance which remains after burning the bones; Composition of bone ash; Conversion of the bone ash into a coarse powder; Decomposition of the bone ash by sulphuric...

Portion of the skin of value for the manufacture of leather and glue; Yield of glue from tannery waste; Influence of the age of the animals from which the skins have been derive...

Use of animal charcoal for this purpose; Bleaching the raw materials previous to boiling them to glue; Use of chloride of lime or of sulphurous acid for this purpose 55

Properties of gelatine; Change in the chemical constitution of gelatine produced by concentrated sulphuric or nitric acid; Tannin as a test for the presence of gelatine; Use of...