Greek author who uses the electric, magnetic, and photic properties.

Favours which he lived, take nothing from every particular ore. This he threw into it the spirit of urine with rectified alcohol. Immediately an _offa alba_ is precipitated. It is sometimes _sal armoniac_, sometimes _sal armoniac_, sometimes _sal armoniac_, sometimes _sal armoniac_, sometimes _sal armoniac_, sometimes _sal armoniac_, sometimes _sal.