English: A typical nitrary (Germany, circa 1580) with leaching deposits (A) filled with decaying vegetal matterial mixed with manner. A worker collects efloresced saltpeter from deposits, transporting it then to be concentrated in the factory (B) boilers.
Català: Una típica salnitrera (Alemanya, circa 1580) amb dipòsits de lixiviació (A) plens de matèries vegetals en descomposició barrejades amb excrements. Un treballador recull el nitre eflorescent dels dipòsits de lixiviació per passar-lo després a ser concentrat per ebullició a les calderes de la factoria (B).
Español: Una típica salnitrera (Alemania, circa 1580) con depósitos de lixiviación (A) llenos de materias vegetales en descomposición mezcladas con excrementos. Un trabajador recoge el nitro eflorescente de los depósitos de lixiviación para pasarlo luego a ser concentrado por ebullición en las calderas de la factoría (B).
Русский: Селитряник - мануфактурное производство селитры из органического сырья. Германия, около 1580. В земляных траншеях С производится ферментация органики с выделением азотной кислоты, которая реагирует с известью и превращается в слабо концентрированную кальциевую селитру (CaNO3). В здании B производится вымывание рассола селитры и его выпаривание до получения твёрдого вешества - из которого затем производится чёрный порох.
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{{Information |Description ={{en|1=A typical nitrary (Germany, circa 1580) with leaching deposits (A) filled with decaying vegetal matterial mixed with manner. A worker collects efloresced saltpeter from deposits, transporting it then to be concent...
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