Cement for ivory and bone. Melt at a moderate heat equal parts of white wax, rosin, and oil of turpentine to form a thickly-fluid mass. For coloring the cement add elutriated red lead, ultramarine, etc.
Cement for white enameled clock-faces. Dammar resin 100 parts, copal 100, Venice turpentine 110, zinc white 60, ultramarine 3.
Apply hot and polish when cold and hard.
Cements for glass. 1. Melt carefully 60 parts of bleached shellac and 10 of turpentine. If too thick, dilute with turpentine.
2. Shellac 20 parts, elemi 5, turpentine 10. Prepare as above.
Cement for glass upon glass. Shellac 10 parts, turpentine 2, pulverized pumice stone 10.
Cement for glass upon metal. Melt together 40 parts of rosin, 20 of rouge, 10 of wax, and 10 of turpentine. Apply hot to the surfaces to be cemented.
Cement for metal letters upon glass. Rosin 42 parts, turpentine 4, plaster of Paris 5.
Cement for wood. 100 parts of shellac and 45 of strong spirit of wine.
This cement serves for joining wood, which, on account of exposure to water, cannot be glued. Apply the cement to the surface of one of the pieces, and after placing upon it a piece of tissue paper press upon it the other piece of wood previously coated with the cement.