Bacon, Francis
,
Sylva sylvarum : or, a natural history in ten centuries
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<
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50
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file
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rhead
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Natural Hiſtory;
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Generals ſpake to their Armies, they had ever a Mount of Turff caſt up,
<
lb
/>
where upon they ſtood. </
s
>
<
s
xml:id
="
echoid-s2324
"
xml:space
="
preserve
">But this may be imputed to the ſtops and obſtacles
<
lb
/>
which the voice meeteth with, when one ſpeaketh upon the level. </
s
>
<
s
xml:id
="
echoid-s2325
"
xml:space
="
preserve
">But
<
lb
/>
there ſeemeth to be more in it; </
s
>
<
s
xml:id
="
echoid-s2326
"
xml:space
="
preserve
">for it may be, that Spiritual Species, both of
<
lb
/>
things viſible, and Sounds, do move better down wards than up wards. </
s
>
<
s
xml:id
="
echoid-s2327
"
xml:space
="
preserve
">It is
<
lb
/>
a ſtrange thing, that to Men ſtanding below on the ground, thoſe that be on
<
lb
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the top of Pauls, ſeem much leſs than they are, and cannot be known: </
s
>
<
s
xml:id
="
echoid-s2328
"
xml:space
="
preserve
">But
<
lb
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to Men above thoſe below, ſeem nothing ſo much leſſened, and may be
<
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known; </
s
>
<
s
xml:id
="
echoid-s2329
"
xml:space
="
preserve
">yet it is true, That all things to them above, ſeem alſo ſomewhat
<
lb
/>
contracted and better collected into figure; </
s
>
<
s
xml:id
="
echoid-s2330
"
xml:space
="
preserve
">as Knots in Gardens ſhew beſt
<
lb
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from an upper Window or Tarras.</
s
>
<
s
xml:id
="
echoid-s2331
"
xml:space
="
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"/>
</
p
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<
p
>
<
s
xml:id
="
echoid-s2332
"
xml:space
="
preserve
">But to make an exact tryal of it, let a Man ſtand in a Chamber. </
s
>
<
s
xml:id
="
echoid-s2333
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xml:space
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preserve
">not
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<
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position
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left
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xlink:label
="
note-0084-01
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xlink:href
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note-0084-01a
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xml:space
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">206.</
note
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much above the Ground, and ſpeak out at the Window thorow a Trunck, to
<
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one ſtanding on the Ground as ſoftly as he can, the other laying his Ear cloſe
<
lb
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to the Trunck: </
s
>
<
s
xml:id
="
echoid-s2334
"
xml:space
="
preserve
">Then Via verſa, let the other ſpeak below keeping the ſame
<
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proportion of ſoftneſs; </
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>
<
s
xml:id
="
echoid-s2335
"
xml:space
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preserve
">and let him in the Chamber lay his Ear to the Trunck.
<
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</
s
>
<
s
xml:id
="
echoid-s2336
"
xml:space
="
preserve
">And this may be the apteſt means to make a Judgment, whether Sounds
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deſcend or aſcend better.</
s
>
<
s
xml:id
="
echoid-s2337
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xml:space
="
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"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s2338
"
xml:space
="
preserve
">AFter that Sound is created (which is in a moment) we finde it continueth
<
lb
/>
<
note
position
="
left
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xlink:label
="
note-0084-02
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xlink:href
="
note-0084-02a
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xml:space
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">207.</
note
>
ſome ſmall time, melting by little and little. </
s
>
<
s
xml:id
="
echoid-s2339
"
xml:space
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preserve
">In this there is a wonder-
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<
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="
note-0084-03
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note-0084-03a
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xml:space
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">Experiments
<
lb
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in Conſort,
<
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touching the
<
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Lacting and
<
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Periſhing of
<
lb
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Sounds; and
<
lb
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touching the
<
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time they re-
<
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quire to the
<
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Generation or
<
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Delation.</
note
>
ful error amongſt Men, who take this to be a continuance of the firſt Sound;
<
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</
s
>
<
s
xml:id
="
echoid-s2340
"
xml:space
="
preserve
">whereas (in truth) it is a Renovation, and not a Continuance: </
s
>
<
s
xml:id
="
echoid-s2341
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xml:space
="
preserve
">For the Body
<
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percufſed, hath by reaſon of the Percuſſion, a Tripidation wrought in the mi-
<
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nute parts, and ſo reneweth the Percuſſion of the Air. </
s
>
<
s
xml:id
="
echoid-s2342
"
xml:space
="
preserve
">This appeareth
<
lb
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manifeſtly, becauſe that the Melting ſound of a Bell, or of a ſtring ſtrucken,
<
lb
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which is thought to be a Continuance, ceaſeth as ſoon as the Bell or ſtring are
<
lb
/>
touched. </
s
>
<
s
xml:id
="
echoid-s2343
"
xml:space
="
preserve
">As in a Virginal, as ſoon as ever the Jack falleth, and toucheth the
<
lb
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ſtring, the ſound ceaſeth; </
s
>
<
s
xml:id
="
echoid-s2344
"
xml:space
="
preserve
">and in a Bell, after you have chimed upon it, if you
<
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touch the Bell, the ſound ceaſeth. </
s
>
<
s
xml:id
="
echoid-s2345
"
xml:space
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preserve
">And in this you muſt diſtinguiſh, that there
<
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are two Trepidations, The one Manifeſt and Local; </
s
>
<
s
xml:id
="
echoid-s2346
"
xml:space
="
preserve
">as of the Bell, when it
<
lb
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is Penſile; </
s
>
<
s
xml:id
="
echoid-s2347
"
xml:space
="
preserve
">the other Secret, of the Minute parts, ſuch as is deſcribed in the
<
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ninth Inſtance. </
s
>
<
s
xml:id
="
echoid-s2348
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xml:space
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">But it is true, that the Local helpeth the Secret greatly. </
s
>
<
s
xml:id
="
echoid-s2349
"
xml:space
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">We
<
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ſee like wiſe, that in Pipes, and other Wind Inſtruments, the ſound laſteth no
<
lb
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longer than the breath bloweth. </
s
>
<
s
xml:id
="
echoid-s2350
"
xml:space
="
preserve
">It is true, that in Organs there is a confuſed
<
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murmur for a while, after you have played, but that is but while the Bellows
<
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are in falling.</
s
>
<
s
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xml:space
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</
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<
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>
<
s
xml:id
="
echoid-s2352
"
xml:space
="
preserve
">It is certain, that in the noiſe of great Ordnance, where many are ſhot
<
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<
note
position
="
left
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xlink:label
="
note-0084-04
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xlink:href
="
note-0084-04a
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xml:space
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">208.</
note
>
off together, the ſound will be carried (at the leaſt) twenty miles upon the
<
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Land, and much further upon the Water, but then it will come to the Ear;
<
lb
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</
s
>
<
s
xml:id
="
echoid-s2353
"
xml:space
="
preserve
">not in the inſtant of the ſhooting off, but it will come an hour, or more later: </
s
>
<
s
xml:id
="
echoid-s2354
"
xml:space
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">
<
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This muſt needs be a Continuance of the firſt Sound; </
s
>
<
s
xml:id
="
echoid-s2355
"
xml:space
="
preserve
">for there is no Trepi-
<
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dation which ſhould renew it. </
s
>
<
s
xml:id
="
echoid-s2356
"
xml:space
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preserve
">And the touching of the Ordnance would
<
lb
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not extinguiſh the ſound the ſooner: </
s
>
<
s
xml:id
="
echoid-s2357
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xml:space
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">So that in great Sounds, the Continu-
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ance is more than Momentany.</
s
>
<
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xml:id
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xml:space
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</
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<
p
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<
s
xml:id
="
echoid-s2359
"
xml:space
="
preserve
">To try exactly the time wherein Sound is delated, Let a Man ſtand in a
<
lb
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<
note
position
="
left
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xlink:label
="
note-0084-05
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xlink:href
="
note-0084-05a
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xml:space
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">209.</
note
>
Steeple, and have with him a Taper, and let ſome Veil be put before the
<
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Taper, and let another Man ſtand in the Field a mile off; </
s
>
<
s
xml:id
="
echoid-s2360
"
xml:space
="
preserve
">then let him in the
<
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Steeple ſtrike the Bell, and in the ſame inſtant withdraw the Veil, and ſo let
<
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him in the Field tell by his Pulſe, what diſtance of time there is between the
<
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Light ſeen, and the Sound heard: </
s
>
<
s
xml:id
="
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xml:space
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">For it is certain, That the Delation </
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