Smut and Separating Machines 41 Ordering Smut and Separating Machines 44 Dustless Oat Separator and Zigzag 45 Flour Packers 47 Bran Dusters 49 Farm and Plantation Mills 52 Corn and Cob Crusher, and Grinder 54 Corn Shellers 55 Hominy Mills 58 Scales 60 Weight of various Products 64 Contents of a Hopper, how to find 65 Contents of a Bin, how to find 65 Shafting, Hangers and Boxing 66 Rules to find Speed of Pulleys and Gearing 70 Weight of Round or Square Iron 71 Weight of Sheet Iron 71 Spring Coupling and Driver 72 Gearing 73 Spur Geared Mills 74 Cogs 74 Water Power 75 Measurement of Water in a Stream 75 Steam Engines 77 Self-Tramming Mill Irons 78 Oil Bush 81 Mill Bushes 82 Lighter Screws and Hand Wheels 84 Lighter Levers 85 Mill Steps 85 Mill Curbs or Hoops 86 Silent Feeders 87 Proof-Staffs 88 Red-Staffs 89 Mill-Picks 89 Hoisting Screws, Bales and Pins 92 Damsels 92 Elevators 94 Elevator Cups and Fastenings 95 Bag Trucks 96