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There lyeth a creeke of Ose, betweene two hilles, which deliuering
a little fresh rillet into the sea, receyueth for recompence,
a large ouerflowing of the salt water tides. This place is deepened
to a pond, by casting vp part of the Ose to the heades, part to the
middle, and part to the sides: the vpper head stoppeth out the
fresh water, the lower keepeth in the salt: the middle rayseth
an Iland for the Workmens [105] ease, the owners pleasure, and the
fishes succour. The Ose thus aduaunced, within short space,
through the sunne and winde, changeth his former softnes,
to a firmer hardnesse. Round about the pond, there is pitched a
frith of three foote heighth, sloped inwards, to barre any Otter
from issuing, if hee there aduenture his naturall theft, as it would
foreclose his entrance, but lose the pastime of his hunting, if the
same declined outwards. In one of the corners next the sea,
standeth a flood-gate, to bee drawne vp and let downe through
reigles in the side postes, whose mouth is encompassed with a
double frith, of two foote distance, eche from other, and their
middle space filled vp with small stones: this serueth to let in
the salt water, and to keepe in the fish, when the flood-gate is
taken vp: and therefore you must not make the frith too close,
nor the compasse too little, lest they too much stop the waters
passage. It riseth of equall heighth with the banks, & they must
outreach the highest full sea mark, by two foot at least: neyther
ought your flood-gates foote to stand euen with the pondes bottome,
lest emptying the water, it wholly abandon the fish, but must leaue
about three foot depth within. In the halfe circle enclosed between
the flood-gate and the compasse frith, there is digged a round pit,
of three foot diameter, and foure foot depth, frithed on the sides,
which is continually fedde with the water soaking from the sayd
flood-gate, and serueth to keepe any fish aliue, that you haue
before taken, and so to saue ouer often drawing. The floodgate will
hold water best, if his sides be walled vp with Cob. The pond may
not carry one continuall depth, but containe some shallow places,
to protect the smaller fish from the greater, and for them all to
play in, when the weather is hote. In the higher banke there is
also a flood-gate, to let in the fresh water, during Summer season,
which the fish then best affecteth; the rest of the yeere it is
carryed away by a trench, for auoyding diuers discommodities.
Thus much for the making: now to the vse. Such as haue the meanes,
may best benefit themselues, by letting in the salt water euery tyde,
which is easily done, in making that place, where the water entreth,
lower then the bankes and frith, and so suffering the tyde to
take his course forth and back, without stop or attendance: and in
this case, you may place your flood-gate euen with the floore of
your pond, and neuer take it vp, but when you are disposed to view
all your store. But mine lieth so high from the mouth of the hauen,
as I am driuen to detayne the last prouision, vntill the comming
spring-tyde haue taken two daies encrease; at which time, the
flood-gate is hoysed vp, the old water let out, and the new admitted.
At full sea downe goeth the flood-gate againe, and there abideth,
vntill the next day minister the like ocasion: and after this maner
is opened and closed, for sixe dayes in the whole, continuing from
thenceforth other ten dayes vnmedled withall, to wit, 8. daies of
the neap, & two of the spring. Neither doth al this require
ouer-long, or busie paines or attendance: for if the former water be
let out (sauing in extreme cold weather) before any new come in,
or stopped somewhat too late, it little skilleth, so as on the last
day you keepe the aduantage, which the flood, then at highest,
doth giue you.
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