Webster's practical forestry : $b A popular handbook on the rearing and growth of trees for profit or ornamentWebster, Angus D.
Science
Webster's practical forestry : $b A popular handbook on the rearing and growth of trees for profit or ornament
Webster, Angus D.
Forests and forestry -- Great Britain; Trees -- Great Britain
=Wire Fences.=—These may be erected either with iron or wooden
standards and straining-posts. The form most commonly in use for
enclosing woods is that with wooden posts and strainers, these being
made of mature and thoroughly seasoned larch or oak. The strainers are
7 ft. long and 6 in. square, or, if round, about 7 in. in diameter,
while the intermediate posts are 5½ ft. long, and 3½ in. by 3 in., or,
if round, 3½ in. diameter at smallest end. The strainers should be
fitted into the ground at 150 yards apart, and the posts driven firmly
at 6 ft. from each other. At every sharp curve along the line of fence
a stout post, say 5 in. in diameter, should be used. In order to make a
stout fence proof against cattle and sheep, six wires should be used,
the two top No. 6, and the others No. 7 gauge, the distances between
each pair, beginning at the top, being 8, 7, 6, 5½ and 5 in., the lower
being 5 in. from the ground. Brackets for straining the wires should
be attached to each of the strainers, these having this advantage over
the older system of using the straining machine, that the wires can
be loosened or tightened at will, when repairs are found necessary.
The tops of the posts should be rounded off or sawn on angle so as to
prevent the lodgment of water. Iron and wire fences combined are now
commonly in use, and there are so many excellent systems that it would
be invidious to recommend one kind more than another.
Iron box fencing, which consists of standards with double pronged
feet for fixing in the ground and round or flat horizontal bars run
through them, has been largely used and looks neat, being also, if
properly erected, very efficient. Wrought-iron hurdles are sometimes
used for fencing park clumps, and they possess at least this advantage,
that they can be lifted at any time and re-erected should it be found
necessary to remove them from one place to another.
Unclimbable iron fencing, usually in hurdles 7 ft. long, are now much
in use for park fencing, but for general plantation purposes this class
of fencing is too expensive.
=Tree Guards.=—These may either be erected of wood or iron; the former
is, however, preferred on most large estates where timber is plentiful,
and will receive first attention. For large trees whose branches
sweep the greensward an elaborate structure is required, which may
take the form of almost any of those described under wooden fencing.
That entirely formed of oak is to be recommended, or split larch for
uprights, with oak posts and rails may be considered more rustic in
appearance. In any case the guard should be sufficiently high and wide
to prevent cattle and horses reaching over to damage the branches.
[Illustration: TREE GUARDS]
Public-domain text, read in full here on John Shaqi.
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