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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 806933011:0912
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But chese Numbers beins r00 bis Wobe cuc in
ehe Fourch Rule oF his, Pavins.
A5 144: 570: : 360: 42.5.
Ox 170: 144: : 300. 307.
Then diridins 360, and cither, DE LhelC LNVO LOLIE
Proportionals, (as directed by che Rule) suppote
15, YouII hare 2= Or 22; chenche Nuois
Lhusmuch may serre concernins the Calcula
tion ot ordinary WVarches, co sew the LTour oFche
Day: Buc in such as Mew Minures and Second,
che Procels isthuS.
First, harins resolved uxon vour Bears in an
FTour, chen by diridins rour desiened Frain b5
60, End che Bears in a Minure; and accordinsly,
snd ouc such proper Numbers For vour Cron.
Wvheet aud Ouorients, 25 char rhe Minute Wwhcet
Mall 80 round once in an FTour, and theSecond
Wwhcel OnCC a MinuTe.
AS Suppore fbu Mould CM a Pendulum OF six
Tnches to 50 8 Daso, Win 10 Luls of che Fuls;
a Pendulum oF 6 ees (V) MMI. Smiths Tables in
FTorol. Disg.) ribtates 9508 u an FTour; and con-
sequenlr, diridins ic by 60, sires 156, che Beats
in a Minure. TTaIF chese Sums arc 4684 and 78.
Now che sirst Work is 1o brealt chis 78 into 8000
Proportion; wrtich ill Fall into one Ouorient,
andthe Crown- Whcel. Lecthe Cronn nhcelhare
5 Norches; then 78 dirided by 15, sires 5; sc
evere directed betore) and tind out the erue AUISBCL
Clock, obserre chese Directions.
I. Consider thac here rou need hare rexard ortu
2o che Counc-mheel, Strikins- wheel, and Detent.
mheel, wtich more round in chis Proxortion
The Counrmheel, commonly soes round once
in 12 Or 24 FTourS: Phe Detent mheel mores round
erery Scroke che Clock Scriketh, or Pomerimes bui
once in ruo suotes; Wheresore ic LolonS
Thac,
2. AS many Pins as are in che Din. Wheel, Comanis
Turns hath che Verent. Wheel in one Fuen oF che
PinWheel; Ox (Wtrich is che Came) che Pins OF the
Pin- Wheel, are the Ouorient oF thac Wheel, divi
ded by che Pinion of ihe Detent wheel. Bur i
cheDerent ntcel moreth buc once round in rvo
Scrores ot he Cloci, chen che laid Quorient is bur
haltche number oF Pins.
3. AS many Turns OF he Pin-Wteel as are re-
quired ro pertorm the Scrokes oF L2 FTours, (Wwtich
are 78) Somans Turms must the Pinion OF RReporr
hare, to turm round the Count-Wheel once: Or
thus, che Ouoriene oF 78 dirided by che number
et Errikins. Pins, Mallbe che Ouoriene for ehe Pi-
nion of Reporr, and che CouneWwheel; and chis is
in case che Pinion of Report be tixed ro che ArbOF
ot che Pin-Wheet, a5 is commony
done. This Example will make all 8) 48 ( C
Plain: The Lockins Wwheel beins
18, the Pinion OF R epOrE 8, che 6) 78 (1=
Pin-irtreel 78, che Scriking. pins are 6) 60 (10
13, and (0 oF the rest. Noce al(o,
Thac 78 divided bY 13, sives 6, ihc
Ouorient of the Pinion OF R epOrE.
61 48
AS FOF the Warning-wheet arid Flying-wheel, iE
marcers licrle whac number they have, their use
beine ontr ie briole che Rapidiry or che motion or
che orher Wheels.
a. The Follomine Rules ill allo be tot preae
use in chis kind oE Calcularion; and by cheir help
chese Problems may readils be resolred.
1. Fofind hon many Scrolies ehe Clocke strileth, in one
rurn of the Fusy or Barrel.
AS che numBEE OE TurnS OF ehe Crear. Wheet B
Fuly is rO the days OF the ClOCKS continvance:
(0 is the number oF Scrokes in 24 FIOUIS, viZ. 156
coche Scrokes in ore rum ot che Fusy or Greac.
eotieet.
2. Fo find hon many Days che C locke vill 80.
Asche number ot Sirokes in 24 FTours, viz. 136.
che haltoFche erue Train. Phen find the Bears in is eo the Scrokres in one curn of che Fusy; (0 is the
cums ot che Fusy or Grear Wheet ro eic Day5 Ol
he Clocts concinuance or BOin8.
3. To sind che number os rurns es che Fus or Barrel
Asche Scrokes in one tum oF che Fuly is co che
Scrokes in 24 TTOurs, viz. 156:: 0is the ClockS
continuares 10 che nemibe De carro el die trlys o.
Creat votiect.
Eivall Wheels, cheretore thes must be rarryed by.  FOr chie Calculation oF che Scritins ParE Ot dry
the wvhole Morement wiIl Cand thus.
u4
20
2
a Cronn irticet ot 13, and a Whec
B) 40 (5 ane Pinion, wnese Ouoriene is 5, wil
Soround in a Minure, co carer a Flana
eo Mew Seconds. Next for a Flanc
16 80 round in an fsout, 1o ciew Mi
AucCS. And beca Mere are 6c
Minures in an Flour, eS buc break.
3) C
IH8 60 nto 800d Cuorients (a5 sup.
Pole 102nd 6, 61 6  7, Or C3c.
and ris done.
Thus 4684 is broken, aS nCaF 2
can be into proper Numbers.
Bux since it donE Fall our exactls incothe abore
menoned Llumbers, vou must correct (ds jou
3)
OF Bears I an Flour, by multiplvins 156) 5, We
Makes 75; and 75 by 60, makres 4500, Wwtich ic
in one LaIn OF ThC FuSY, TUS, 10. 192 :: 4500:
54000; Wease au halfthe Bears in one Turn
oF che Ful). Lhis 54000 beins divided 6) 4500
(Which are che true Numbers alreads pitched upon
che Ouociene will be r2, Which beins noc roo bie
For one Msle Morene, hecus hoebe dirided ince
more, und chc orke Will Mand chuS.
1) 10815
Asto cheFTour-hand, the fHCat
WVheel, eotich pertorms onty one
Rerolurion in L2 FuIHS OT THC MI
nure Whect, will sew che LLOUF
Or rou may order ir ro be ubne by
ehie Winute Woticet.
50