(3) Solution of waterglass.

(4) Solution of shellac in alcohol.

(5) Rubber solution in carbon bisulphide. The mass after swelling is dissolved in benzine[110].

(6) Copal varnish diluted with turpentine.

(7) Copal varnish mixed with linseed oil[111].

(8) Linseed oil.

(9) Linseed varnish.

(10) Linseed varnish mixed with an equal quantity of petroleum.

(11) Bees’-wax dissolved in turpentine.

(12) Bees’-wax dissolved in benzine.