( 86 ) 
Concerning Ge^graphy^he treats of Zones, Inhabitants, Cli- 
mats, Maps, Lands, Seas ; and gives exaft rules to know the 
Diftances andPofitionsof places,and likewife the way to know 
the Contents of any parcel of the Earth in fquare Miles, ccn- 
tain'd in any Triangle. 
Next, he tCdichcsNavigation by the plain Sea-chart,byiW>r- 
cator's Cbart,and by a great Circle^ where is added a Tab'eto 
turn the Ruml?s into degrees and minutes ; together with feme 
Problerns for knowing the Ships way on a great Circle, upon a 
Parallel,or upon any Rumb. 
In the doftrine of Dyall'wg,\\t gives us the way of making ati 
Horizontal or ered; Dyal *, then a Mechanical way for all Dy- 
als, and very exaft ; the Defcriprion and life of an Universal 
Dyakbeing a new Projeflion of the Sphere, together with the 
ufes Thereof in very many Propoficions,both for HourandAzi- 
muth,and the Stars : To which is added a Difcourfe of the na- 
ture and fabrick of Watches, Clocks and other Movements, 
with direftions for ; and how we are to find the 
number of beats,which a Movement makes in an hour or minut, 
tui^nsofthe Fufy,and length ofgoing: treating particularly of 
Pen<^ulums,theUniverfal Meafure,length of Penduluras,and the 
way of regulating the inequality of a Pendulum, and how to 
knovv,what alteration in time the lengthning or fliortning of a 
Pendulum to a tenth of inches will make ; moreover, of finding 
out fit numbers for the Wheels and Pinions.To which are fut^T 
joyn'd Examples for fmall and greater Clock-and Watcjh- 
vvork ; and a Rule of giving particular motions.Which is fol- 
lowed by a Note concerning Tme^znd the L-engch of the Solar 
and Sidereal day$,and how to adjuft the Pendulum 5 and then, 
the Ufes of the. Tables of the Suns right AfcenfionrTo which 
is added the mention of an 100 notable Stars ; and of 22 Stars 
about the North- pole,concerning which latter ftars^here never 
rifing or fetting, there is an excellent and ufeful Table, which 
fliews their Right Afcenfions, and their Time and Azimuth, 
whenrhey come under the P<7/e-y?4r:Whence,ifyoudo but hang 
up aThred &Plummet,and,lcoking through a hole to takeaway 
the ftars ray, obferve, when any of thefe 2 2 ftars come with the 
Pole-flar to that Perpendicular; ifyou fubftraft the Suns right 
Afcen- 
