LIST OF ILLUSTRATIONS 



Fig. Page 



1 Plank Drag 32 



2 Different Forms of Horse Cultivators 33 



3 Different Forms of Hand Cultivators 35 



4 Combination Hand Seed Drill and Cultivator 36 



5 Different Forms of Hand Hoes 37 



6 Different Forms of Horse Weeders 38 



7 Different Forms of Hand Weeders 39 



8 Hauling Manure Near Boston 45 



9 Hauling Manure Near Philadelphia 46 



10 Night Soil Tank Wagon Used Near Baltimore 51 



11 Single-Row Fertilizer Distributor 66 



12 Wheelbarrow Fertilizer Distributor 67 



13 McWhorton Fertilizer Distributor 68 



14 Lime Spreader 69 



15 Drilling Machine for the Installation of the Skinner System 



of Irrigation 79 



16 Nozzles for the Skinner System of Irrigation 80 



17 Union for the Skinner System of Irrigation 81 



18 Irrigation System Installed at the Pennsylvania State College 83 



19 Sash for Hotbed or Cold Frame 107 



20 Flue-Heated Frame in 



21 Steam-Heated Frame 112 



22 Potatoes in Cold Frame Plat 114 



23 Peppers in Cold Frames 115 



24 Permanent Cold Frames 116 



25 Cucumbers in Cold Frame Plat 117 



26 Even-Span Greenhouses 123 



27 Three-Quarter Span Greenhouse 124 



28 A Common Form of Greenhouse Bracing 125 



29 Different Forms of Hand Seed Drills 136 



30 Lath Screen 138 



31 Popular Marker 142 



32 Homemade Marker 142 



33 Different Forms of Dibbers 143 



34 Different Forms of Trowels 143 



35 Useful Plant Setter 144 



36 Transplanting Board and Dibber . 145 



37 Dibbling Machine 146 



38 Cabbage Plant Ready for Transplanting 147 



39 Field Transplanter 149 



40 Rye-Straw Mat 153 



41 Flat of Cabbage Seedlings 155 



42 Frame of Hardened Cabbage Plants 158 



43 Paper Pots and Equipment for Making Them 160 



xi 



