Discussion: “Improvements in Handling Methods in the Woodworking Industry: Power-Driven Transfer Cars—Traveling Cranes for Serving Kilns—Monorail Carriers for Handling Packaged Lumber—Electric Lift Trucks—Elevators for Inter-Floor Material Handling—Disposal of Wood Waste—Various Applications of Conveyor Systems” (Merrill, R. K., and Roderick, G. H., 1928, Trans. ASME, 49–50(14), p. 141005)