# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/806933011:0811
# Permalink to this reading: https://leibnizlegible.com/page/806933011:0811?run=74
# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0811
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=806933011&page=811
# Source image: https://digitale-sammlungen.gwlb.de/content/806933011/jpgs/default/00000811.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 80 lines, status machine
# Lines: 80 recognised, mean confidence 0.89
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
# Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text.
# Wording rule: say "the machine reads it as …", never "Leibniz wrote".
# After the first blank line: the recognised lines in reading order, one per line.

sice Sides ad, and a b, ro chole Ausles must be c.
qualo L. F. D.
Or, ad Euelid expresses ir.
he Square os th fangent (aT) is equal 1o theRCct
ans le made byihe whole Secant (a d) and the exter-
nat part (2C.) Lhat is, 2I 9 = ad X aC.
Draw cT, and Y d.
Demonstration.
Then willche Priangles P ac, and F a d, be
similar; for the Angle a, is common toborh, and
Yc = d, becaile made by a Tangenc a L, and
 Secanec T. Lheretore cA : a T : : a I: aB
Thac is, a F is a mean Proporrional between ca,
and s d; and aI(0 B e F = () d a c. D. E. D.
OROLLARE L
Hlence may a Line be casily divided, accord
ins coexeream and mean Proporrion; il trom a Se-
cane wise roche Circle, rou dran a Line (0 a5
chac ehie Part ivichin be equal in lenech coche Pan-
BCME. ThuS, L exthe PrickE Line be Podrantrom a
chac the Pare Wichin ihe Circle be equal io Y.
Then ris plain, il ehe Parr prichour be called e, by
chis Proposicion.
cc  = eT = TT.
TANBIBLE Bodies are such as dre dileoverable
and sensible by our Fcelins, or Touch.
TAPER-BORED, in Cunnery, a PieceoFOrd
nance is said io be Paper-bored, uotien ic is vider
ac che Mouch, chan torards che Breech.
TARAXIS, is a Perrurbation oF che Hlumours
oF the Rre, the Scomach, or the Pnrrails. Blan-
chardo
TARF and Pres, Pare i5 che WV eiBHE OE BOX,
Scraw, Clochs, (56. Wherein 600ds are packed.
The ocher, vlZ. Tret, is a Considerarion allovo.
ed in che Weishr For Wasto, in emprrins and re-
Tellins che 60od5.
TARIF, (in Arithmetick) is cicher a small Table
oE rheDirisor mulciplied br che9 Dixirsro expedire
Mulciplicarion; or else a Proporrional Table con-
erived For etie expedirins a Ouestion in etie Rule oF
Fellowthip, Wrhen che Scocks, Posses and Cainsare
verY nUMIerOUS.
TAR PAWEWO, in 2 Ship, is a PiecC OF
Canra(s well Tard over, ro lay on any Place; 10
TARSOS, B2 Carilabinous Extremity oE che
Fyclids, Whence che Hairs sprins, Called Cilium
PARSOS, is the Space berween che lover end
ot cho rvo Foclls, and the beginnins of che Fire
lons Bones which sustain, and are arriculared wictu
thie Toes. Some callchis the Initep, Burthac is the
Meratarsus tather.
The Tarsus hach seven Bones, Which dister From
one anocher very much in boch Strapes
kecpoit Lam.
Blanchara.
alu Bignels.
ins wich che Tibia: By ihe Procels ot which 
bia wohich makres the inner Ankle, ic is hede d in
as ie evere on the inside, as ic is by thac OF the Fi-
bula on the ourer; betore, ic hach a lons Neck
on wohict provs a round Hlead, chac encers ione
The First, is che Talus called al(o ostrasalus :
the Antle Or Hluckle-bon. Lhis Bone has above 
conrex Hlead, Wwich a Mallon sinus in ic, arriculat
eostFION
 evo Lansents be drann to any Circle frot
(a) vomone, chese Tangenes stall alvars be vgnat.
TCay, a d = a b.
Demonstration.
The Frianele d bc beine an Hoceleo, the AnGI
a bc atC 2ls0 equal: Wheretore it hent Melerishe
Bles cb d, and c db, che Remaindets ab d, anc
a b, mule be equal, and contesuencs iHC OpPO
cb a = Angle c d b; che Righe Angles ad c, anc
and equal Ansles, rou se rerally rake che equal An
 a Tansent (2 Y) and a Secant (2 d) be drann fron
the same Point (a) mithout a Circle; the Tancen
will be a mean Proportional between the wbole Se.
cane la d) and rhie Pare a C) without ihe cirele.