January 1878 Issue [Article] Popular exposition of some scientific experiments. Part VIII.–On the cause of the flow of the sap in plants and the circulation of the blood in animals Download PDF Adjust Share by John William Draper, Subscribe or log in to continue reading. Tags 19th century Capillarity Experiments Gases Liquids Matter Physics Properties More from John William Draper The national division The national division Franklin’s place in the science of the last century Adjust Share