overhead spray 116 Jointer, carpenter's 27 Jointer plows 144 Jointing hand saw 65 Kerosene engine 92 Keyhole saw 20 Knife, asparagus 205 corn cutting 205 haystack 168 Knots 212 Lag screw 57 Land float 156 Level, carpenter's 24 iron stock 25 Lighting, gasoline 128 Linchpin farm wagons 185 Link, cold-shut 43 plow 58 Loading chute for hogs 235 Logging chain 50 Machines, driven 100 Machinist's hammers 42 vise 47 Manure carriers 233 Marline spike 212 Measuring mechanical work 14 Mechanical power, generating 74 Mechanics of plowing 138 Melting ladle 73 Monkey-wrench 19 Mule pump 84 Nail hammers 21 Nail set 37 Office, farm 194 Oilstone 15 Overhead spray irrigation 116 Oxen 181 Paint brushes 212 Pea guard 168 Picking fruit 212 Pig-pen, sanitary 210 Pincers 44 Pipe cutter 48 Pipe-fitting tools 46 Pipe vise 47 wrench 48 Plastering trowel 209 Pliers 18 Plow, heavy-breaking 224 riding 140 walking 138 Plowing by tractor 145 importance of 137 mechanics of 138