Browning

The browning is a technique of Polissage used in completion:

Of a metal coating like the Gilding or silvering
Of a copper alloy or copper, gold, silver manufacture.

The operation is carried out with a tool: the Burnisher.

The burnisher exerts a pressure on the peaks of the surface, which has as a consequence a creep of the matter in the hollows, progressively of the advance of the tool.

The purpose of browning is of:

to make the surface of metal brilliant;
to improve the surface quality;
to reduce the roughness of surface;
to increase the surface hardness.

See too

Rolling
Burnisher

External bonds

Photograph of browning

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