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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
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Whence che Tropick Anno 1500, is concluded 1o
have Fallen Fune (+ d. 20 h. 2.
In che latrer chrec, a c equal 107, b0 equal 15
and rhe wrhole incerral ot Time is 8 Days equalt:
erhence,
A5199: 2062:: 4 DayS: 4 d. 3 h: 37, Wrtich
caten trom the iCDay ac Noon, lcares IT d. 20h.
23 For the rime ot the Tropick agrceins wich the
Former to the chird part of an FIOur.
Anno 1636, Gassendus ac Marseilles obserred che
Summer Solstice by a Onomon oF 53 Foor high, in
order 10 derermine che Proporrion ol the Cinomon
cochre Solstirial Made; and he lese chese Obserra
rions, servins Cor the lccond Rule.
Anne 19)
Fune 20 (Str. N.
317007
31753C ParIS WHCFeOF Mh
Tune 2 (Macto) 31751C Onomon W25 89428
7une 21
31759
These bens dirided into rvo Sets oF chree Ob
servations cach, viz. The F9th, 2och, and 22rh
and the roch, 2TTh, and 22th, there viil be in the
Arst chrcc, c equal 13, b equal7, Fequal 3 day5,
equal r; and in che second c equalTS, Bequal 7
equal 3, and S equal 2. Whence, accordins re
the Rule, che roch Day ac Noon, che Sun wancee
OF che Fropick a Time proporrionare rO One Da)
25FF c - 55b1O2+ C - 2 bS; chat 15, 25 11O1
64 in the Ars SCt, Or 107 +0 62 in the second Ser
that i5, + d. 27R. Y5 in che SrA, Ox L d. 17. R. 25
inthe second Serr; Wvhence ic may be concludeo
thac che Moment oE che Tropick was on June 10c
17 h. 20 in the Meridian OF Marseilles.
The ereat Adrantage ot ehis Merhod is, TH
any very high Buildins secres For an Instrument, 0
the cop ot any high Torver or Scceple, or even ans
high Wall Whacsoerer, chatmas be sufficient ro in-
cercept the Sun, and cast a erue Shade. NOr id
che Polition oF che Plane on Which rou eake rhe
Shade, or chac OE che Line thercon, on which rou
meature che Recels oF che Sun trom the Tropick,
very material; bur in whacmay soerer rou disco
ver ic, the Caid Recels will be alivars in the lame
Proporrion, by reason oEthe lmallnels oFthe Anele,
itrich is noc 6 Minures in the Airst Are DayS: NOr
necd rou enquire the Hleighe or Distance of vour
Buildins, provided ic be very grear, (0 astomake
the Spaces rou measure, large and Fair. Buc it id
conveniene, chac the Plane on which vou tatce the
Made, be nor tar from perpendicular torhe Sun, at
least nor verr oblique; and thac che Wall whict
calts the Made, Be Sraic and (mooth atLOP, arid
irs Direction heartr Fast and West. And it Wvill be
requisite to cakre che Fxtream greares Or least de
viacion oF the ador oF che Wall, Decause the
Made continues for a g00d rime at a stand, wirhour
alterarion, Wwhich vill sire che Obserrer leature re
be assured of whar he does, and nor be surprizea
by che quick ransient Morion oE che Made ol 2
Cinsle POI de LuCH d sance,
The principal Objection is, Thac che Penumbra
Ox Parrile hade BF the Sun, 1S In IIS LACICdmS Ver)
dissicule ro distinsusa trom che true Iaue, Wwhict
liCs.
tine Flair extended in che Focus oF ihe Lye-gla (5)
thenby chis means che limie ot che Made max be
obtained to the urmost Exactness.
TROVEK, in Law, is an Action Which 2 Man
hath against one, char havins found any of his
Goods, retules to deliver chom uxon demand. O1
lace, Actions ot Derinue are much curnd into
actions uxon he Cale, Sur Trorer e Conver-
Sion.
TRODOHos che Sea, is Ihe Flollon or Cariry
made berween any erro Wares or Billous in a rowl-
ins Sea; and irten à Ship lies donn chere, cher
CaY, She lies in the Trouzh of the Sea.
TROCKS, belonginsro che Carriage oF a pecce
ot Ordnance, are hc Wheels Which are on ihe
Axletree tomorethe Peece.
TRDE Conjunction. Sec Conjunction True-
TRDE Place OF a Planet OF ScaF, i8 2 Point ob
Ot the Llcavens Menn by a righe Line dravn from.
che Centre of the Farth, chroush che Center os ihc
Planet Or Scar; Whereas ies apparent Place, is chaE
wrhich is found by a ristre Line drann from che
Observers Fiye chrousk che Cenrer ot rhe Planet OF
Star. And ehis Point in cheHlearens is reterred 10
che Ecliprick or Zodiack, bY che PLaHeE OF STaIS
Circle ot Longicude.
TRONCATED Prramid or Cone, is one whole
rop is cut of by a Plane parallel c0 its Base; and
cheretore che Fisure of che truncared cop must al-
wars be similar roche Bale.
Hor co snd is Solidisy; sec in che Word Fru-
strum.
A Truncaced Conc, orthe Frustrum oE That BodY,
is called Comerimes a Curri-Cone.
TRONK RoorS OF a PlanE, are licele ROOTS
Which breate or grow ouc ot che Truntes oC PlatIS;
and are of cvo kinds.
1s, Such 25 Vegerate bY a direct Delcene, che
place ol cheir Pruprion beins Cometimes all alons
che Trunk, 25 in Mints, C9C. and somerimes only
in che umost Point, as in Brambles.
2dly, Such as neither ascend nor descend, but
Moor Torrh ac Kishc ansles wichthe Trunk; Which
cheretore, cho as 0 cheir ONice they are true
RODES, vet as co cheir Nacure cher are a Midole
chins becveen a Trunke and a ROOT. DI. Gren Anat.
ef Plants, P. 27.
TRONNTONS OF a PCCCC OE Ordnance, are
chose NVobs or Bunches oF che Cuns Metal Wwhich
bear her up upon the Cheeks oFthe Carrias es.
TROSSES, are Ropes Fastned to the Parrels ot
2 Vard in a Strip, serrins cirher e0 bind FaCLTHC
Vards ro the Masts, when che Ship rolS, lying
cither a FTuil, Or ac Ankor; or co Llale dovon the
Tards in a Scorm or Cust of Wind: Ther belons
rothe Main- Vard, Fore Yard, and Missen, and are
all broughero upon occalion.
TRX; a Stip is Caid tO Try, Wwhen Be tach HO
more Cails abroad, buc her Main-Pail: When her
Facks are close aboard, che Bomlines set up, and
the Sheats haled close atc; vten also the Helm is
tied close donn tothe Board, and (0 Me is lec lie
in cheSea. And Sometimes When it blows so hard
thac cher cannoc maintain che Main-Cail, 25 chez
Cay; chat is, cannor bear ic out, they matie her
lie a Fry under a Missen- sait On lY.
TOBA Fallopianae, arc cvo Dender PaNageS,
Os et rather conringins che Species of che Wall,) a licele remored srom ic, grow gradually wider:
sche Policion ot ihe Telelcore bemo e y a Fhes hayc lache Hloles oe Drihiees, vohict almoct
45589: 8272:. =1 (et 7 Dd35): 9 d. 20h, 2.
will render chis Obserration hard eo derermine
Buc is the Sin be erantmirred chrough a Felle.
scope, alter che manner uled to take his Species in 
Solar Eclipse, and the upper halt of che Object-glals
be cur oH by a Paxer pasted thereon, and the exact
upper Limb oF che sun be seen just emergins our proccedins from the Womb, Which when cher are