The Tree in a Test Tube (1943)
Stan and Ollie are stopped by narrator Pete Smith for the purpose of showing the audience how much wood and wood by-products the average person carries. Stan and Ollie then begin to open their pockets and briefcase, pulling out a variety of things that derive from the tree. The narrator talks all the way through this short film (about 7 minutes long). The idea is that scientists can put everything that comes from the tree into one test tube.