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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0749
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5OV
ac once; as Froin Arcties ind Vaulted Rooms
From Whence etie contused Bomb oF such like
Places ariles.
And trom hence probably may be deduced, the
Realon Why Concare Bodies are (cereris paribus
Aicrest 1o produce erear and clear Sounds; luch as
Bells, C9c. For in sucti Bodies che Sound is very
switcls and verr otren ReRlected trom Side 10 Side
and from one Parr otche Caries ro anocher, and che
Bell hangins at liberiy, this produces sreat erem
blings and Makings ot che wtiole Concare Body
Wvhich occasionsche Sound ro conrinue rill cher cease
and are quier.
10. There is one Phenomenon oF Sounds, chac
is indeed very ibondertul, Thacall Sounds great or
Small, wich ehe Wind or against ic, trom che lame
Distance, come roche Par ac the lame Pime.
DE. Folder in his B00k oF che Nacural Crounds
and Principles oFFlarmony; Cays, Thac if che Pre-
mulous Morion Whichcauserh Sound, be Onitorm,
etien ic produces a Musical Norc, or Sound: Buc
if ic beDittorm, chen ic produces a Voile.
The Florentine Academicks Found a Sound 10
more onc ot cheir Miles (viz: 3000 Braccia, Or
6925 Fcer) in Aire Seconds ot Time: There-
fore accordins ro rtiem, ic mores L185 Foor in one
Second.
BUE MIr. Tsaac Nemton Found it Lo move but 968
Foot, in a Second ot Zime.
SOONID, in Gcoeraphr, is any Breac Indraustir
OF the Sea, becoixe tvo tlead lands, Where there
is no Passase through.
SOONBINO, Wvhen cheScamen ery che Depcti
oF rhe Wacer wich a Line and Plummer, cher CaII
ic Soundins. Burcheir Soundins Line, a5 cher call
ic, is a Line different trom the Deep Sea Line, 25
being bigser chan ic, and noc much abOre 20 Fa
ehom in lensch; andis martced ac 2 Fachom, wictu
a picce oF Black Lcacher becwixe the Scrands; sc
al ac 3 Fachom, and ac 4; buc ac s’ris markec
ich a picce ot Whice Leacher, or Clorh.
This Line can be used when che Strix is unde
Sait; bur the Decp Sea Line connor be used wel
excepe che Ship be broucheupon che Back-A2Y5
(Sec Decp Sea Linc.)
To sound che deepest Sea without a Line.
Take 2 Globe ot Firr, or Maple, or orher lixhie
Nood, a5 A; let ic be Wvell secured by Varnim,
Eirch, ox ocherwile, From imbibins Wacer; take
allo a piece oF Lead or SroneD, considerably hea
rier ean will sirik che GlobC.
it hans che Weiphe, by us Hlook l; and l0 lec
Polture reprelenced in the laid ue,  BBI
com, vhere che elu coes  lcttete.
by AoPd; bur cheBall, beins by che Impetus ic ac.
WVacch, harins Minuces and Seconds: Or by 2 3000
Minure sl2(s; Cx best oF all bs a Pendulum Muta-
rins Seconds; Wrhich must be 3Foor, 3 5 In
ches Long, 2iZ. bectee ee et ene vanll
Aened, or held wvhen ic Vibrates. B), cls War.
wich che help ot some Pables, rou maz come io
know any Dexrh ot the dea.
the Weistr and hape et che Lead, roche Bulks
Weighe, and Figure of che Olobe, atrer luch 2
manner, a5 uxon Expetience Mall be found most
convenient.
Instyment, iie Globe beins oF Maple wood, well
corered wih Purch, tohunder loalcins in, W 255 =3
Tuctes in Diamerer, and eiphed 2= Pounds; che
etd
Let chere bC a lons Wire. Raple B, in che BaII A
and a springins Wire C, wich a bendedend F; and
inco ehe Caid Scaple, prels in wich vour Fingers,
ehe springins Wire on che bended end: And on
Olobe and aII sinke into che WVacer genely, in che
quired in descendue, Casried donneards a licrle
atcer  re onop laletsne springins NITC
eo Ay back, and Meseby Pers ic selF ac liberer tore-
alcend: And by obserrins che rime ot che BaIIS
Aay under Waces, (Which may be done by 
and che uprer end olthe Thread, wvhere ic is ta-
Note, Thac Care mnst Be had oE proporrionine
In some oF the Frials alrendy made vich this