125
Pipes and Collar 126
Flat-bottomed Pipe-Tile 129
Drains across Slope 150
Draining Irregular Strata 162
Relief Drains 162
Small Outlet 178
Large Outlet 179, 180
Outlet, with Flap 181
Well, with Silt Basin 186
Peep-hole 188
Spring in Drained Field 189
Main of Two Tiles 194
Main of Several Tiles 194
Plan of Drained Field 195
Junction of Drains 196
Branch Pipe 197
Daines' Tile Machine 209
Pratt's Tile Machine 210
Tiles, laid well and ill 229
Square and Plumb-Level 229
Spirit Level 230
Staff and Target 231
Span, or A Level 232
Grading Trenches by Lines 233
Challoner's Level 235
Drain Spades 235
Spade with Spur 236
Common Shovel and Spade 236
Long-handled Round Shovel 237
Shovel Scoop 237
Irish Spade 238
Birmingham Spades 240
Narrow Spades 242