We take a break from chemical observations and theory, and switch to practice. That is, we learn about the origins of the chemical laboratory in the Renaissance, and track its development up through the early 20th century. We see the switch from furnaces to gas lines for individual heating apparatuses. We see the start of ventilation, and the differentiation of experimental, lecture, and teaching laboratories. Gradually plumbing enters laboratories, and the arrangement of tables and benches becomes standardized. Laboratories even filter down into governmental school settings.Support the show Support my podcast at https://www.patreon.com/thehistoryofchemistry Tell me how your life relates to chemistry! E-mail me at steve@historyofchem.com Get my book, O Mg! How Chemistry Came to Be, from World Scientific Publishing, https://www.worldscientific.com/worldscibooks/10.1142/12670#t=aboutBook