L'Alkaest ou le dissolvant universel de Van-Helmont. Liquor alkaest

Unlock the secrets of the 'Universal Solvent,' a substance so powerful it can reduce any metal to its primordial liquid state. This text bridges the gap between mystical alchemy and early modern chemistry, revealing why the legendary George Starkey and Van Helmont identified human urine—not mercury—as the true key to this 'Immortal Liquor.'