Chapter 29

“One part saltpeter, two parts sulfur, three parts charcoal.”¹⁹

Dominic repeated the line to himself several times. Was that ratio actually correct? He wasn’t sure—he couldn’t remember the exact proportions…²

Even if he did remember, it wouldn’t necessarily help. Unrefined chemical raw materials contain all kinds of impurities. Who knew what the “real” ratio would be once everything was mixed together?