2014-12-042014-12-041970https://hdl.handle.net/10365/24569the extraction of juice from plant leaves for laboratory purposes could be a time-consuming -task, especially if done by hand with a pair of pliers. This was one of the methods used by personnel at North Dakota State University until the “NDSU Leaf Squeezer” was built. This article in a one page description of this machine along with it's costs in 1970.North Dakota State UniversityArticle