50 
WEIGHING ENGINES. 
traces, Quere, What are the certain mechanical ad¬ 
vantages of drawing double. ? Does a wheel plough go 
heavier than a hand plough ? If not, are not wheels and 
no holder, better than reins and no driver ? Mr. 
Knight’s ploughs are managed in a manner similar to 
those of Norfolk, but of different construction, being 
light swing ploughs without wheels; but it ought to 
be observed that the soil is a light sand, or sandy loam, 
and certainly can be worked with much less strength 
than clay soils. 
Respecting other implements, borers and draining 
tools are well known, and should be at command; the 
former consists of a large auger, with screw rods to 
lengthen it, and a proper head or handle to force it 
round, besides which there must be a long line, paring 
knife to cut through turf, and digging tools of different 
breadth and formed tapering to follow each other, a 
scoop for cleansing out the bottom of the drain, and 
scuttles or baskets for conveying materials to fill it up. 
WEIGHING ENGINES. 
% 
These are common as attached to the turnpike roads, 
but for weighing cattle I saw but one in the county, 
which was at Mr. Smith’s (Erdiston). It was made at 
Ludlow, in Shropshire, by a person who makes them to 
weigh carriages, or cattle, or both on the same ma¬ 
chine; price for cattle alone 101. 10s. for carriages, 
also 15l. 15s. I was not able to procure any authentic 
accounts of the proportion of live and dead weight. 
An implement rather peculiar to this county, called a 
kerf, is used in the hop grounds, for moulding up the 
young plants; it is a strong and heavy hoe, the size and 
weight about equal to the bit of a common spade. 
I shall 
