The works of the highly experienced and famous chymist, John Rudolph Glauber : $b containing, great variety of choice secrets in medicine and alchymy in the working of metallick mines, and the separation of metals: also, various cheap and easie ways of making salt-petre, and improving of barren-land, and the fruits of the earth.

Step into the bustling world of 17th‑century science, where alchemy and early chemistry walk hand in hand with practical craft. This collection gathers the lively writings of a celebrated chymist, offering recipes for turning ordinary metals into useful alloys, extracting precious compounds, and even coaxing life from seemingly barren soil. Readers will hear detailed explanations of how salt‑peter was once produced cheaply, how mineral waters were tempered, and why certain herbal remedies were prized for their healing power.

Beyond the laboratory, the author turns his attention to the wider world, describing methods to improve farmland, boost harvests, and even support travelers with practical advice on navigation. Interwoven with philosophical reflections, the text reveals a mindset that sees nature’s hidden signatures as guides to both health and industry. Listeners will appreciate the blend of rigorous observation and the occasional flourish of wonder that characterises this early scientific adventure.