CHAPTER XI.. Draining Implements.

DRAINING IMPLEMENTS.

Unreasonable Expectations about Draining Tools.--Levelling Instruments.--Guessing not Accurate.--Level by a Square.--Spirit Level.--Span, or A Level.--Grading by Lines.--Boning-rod.--Challoner's Drain Level.--Spades and Shovels.--Long-handled Shovel.--Irish Spade, description and cut.--Bottoming Tools.--Narrow Spades.--English Bottoming Tools.--Pipe-layer.--Pipe-laying Illustrated.--Pick-axes.--Drain Gauge.--Drain Plows, and Ditch-Diggers.--Fowler's Drain Plow.--Pratt's Ditch-Digger.--McEwan's Drain Plow.--Routt's Drain Plow.