282 .-- Bronze lion from Horbeit, Saite.] [Illustration: Fig.

283 .-- Gold worker.] The idea of inlaying gold and other precious metals upon the surface of bronze, stone, or wood was already ancient in Egypt in the time of Khufu.
The gold is often amalgamated with pure silver.

When amalgamated to the extent of 20 per cent, it changes its name, and is called electrum (_asimu_).

This electrum is of a fine light-yellow colour.

It pales as the proportion of silver becomes larger, and at 60 per cent.