, SPRINGS AND TREES. INTENDED TO
REPRESENT A FIELD OF TEN ACRES BEFORE DRAINING.
Fig. 5 - MAP WITH 50-FOOT SQUARES, AND CONTOUR LINES.
Fig. 6 - LEVELLING INSTRUMENT.
Fig. 7 - LEVELLING ROD.
Fig. 8 - MAP WITH CONTOUR LINES.
Fig. 9 - WELL'S CLINOMETER.
Fig. 10 - STONE PIT TO CONNECT SPRING WITH DRAIN.
Fig. 11 - STONE AND TILE BASIN FOR SPRING WITH DRAIN.
Fig. 12 - LINE OF SATURATION BETWEEN DRAINS.
Fig. 13 - HORSE-SHOE TILE.
Fig. 14 - SOLE TILE.
Fig. 15 - DOUBLE-SOLE TILE.
Fig. 16 - ROUND TILE AND COLLAR, AND THE SAME AS LAID.
Fig. 19 - THREE PROFILES OF DRAINS, WITH DIFFERENT INCLINATIONS.
Fig. 20 - MAP WITH DRAINS AND CONTOUR LINES.
Fig. 21 - PROFILE OF DRAIN C.
Fig. 22 - SET OF TOOLS.
Fig. 23 - OUTLET, SECURED WITH MASONRY AND GRATING.
Fig. 24 - SILT-BASIN, BUILT TO THE SURFACE.
Fig. 25 - FINISHING SPADE.
Fig. 26 - FINISHING SCOOP.
Fig. 27 - BRACING THE SIDES IN SOFT LAND.
Fig. 28 - MEASURING STAFF.
Fig. 29 - BONING ROD.
Fig. 30 - POSITION OF WORKMAN AND USE OF FINISHING SCOOP.
Fig. 31 - SIGHTING BY THE BONING-RODS.
Fig. 32 - PICK FOR DRESSING AND PREFORATING TILE.
Fig. 33 - LATERAL DRAIN ENTERING AT TOP.
Fig. 34 - SECTIONAL VIEW OF JOINT.
Fig. 35 - SQUARE BRICK SILT-BASIN.
Fig. 36 - SILT-BASIN OF VITRIFIED PIPE.
Fig. 37 - TILE SILT-BASIN.
Fig. 38 - MAUL FOR RAMMING.
Fig. 39 - BOARD SCRAPER FOR FILLING DITCHES.
Fig. 40 - CROSS-SECTION OF DITCH (FILLED), WITH FURROW AT EACH SIDE.
Fig. 41 - FOOT PICK.
Fig. 42 - PUG-MILL.
Fig. 43 - PLATE OF DIES.
Fig. 44 - CHEAP WOODEN MACHINE.
Fig. 45 - MANDRIL FOR CARRYING TILES FROM MACHINE.
Fig. 46 - CLAY-KILN.
Fig. 47 - DYKE AND DITCH.
Fig. 48 - OLD STYLE HOUSE DRAINAGE AND SEWERAGE.
Fig. 49 - MODERN HOUSE DRAINAGE AND SEWERAGE.

CONTENTS

CHAPTER I. - LAND TO BE DRAINED AND THE REASONS WHY.
CHAPTER II. - HOW DRAINS ACT, AND HOW THEY AFFECT THE SOIL
CHAPTER III. - HOW TO GO TO WORK TO LAY OUT A SYSTEM OF DRAINS.
CHAPTER IV. - HOW TO MAKE THE DRAINS.
CHAPTER V. - HOW TO TAKE CARE OF DRAINS AND DRAINED LAND.
CHAPTER VI. - WHAT DRAINING COSTS.
CHAPTER VII. - "WILL IT PAY?"
CHAPTER VIII. - HOW TO MAKE DRAINING TILES.
CHAPTER IX. - THE RECLAIMING OF SALT MARSHES.
CHAPTER X. - MALARIAL DISEASES.
CHAPTER XI. - HOUSE DRAINAGE AND TOWN SEWERAGE IN THEIR RELATIONS TO THE
PUBLIC HEALTH.
INDEX

CHAPTER I. - LAND TO BE DRAINED AND THE REASONS WHY.

Land which requires draining hangs out a sign of its condition, more or
less clear, according to its