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A44885 A learned treatise of globes, both cœlestiall and terrestriall with their several uses / written first in Latine, by Mr. Robert Hues, and by him so published ; afterward illustrated with notes by Jo. Isa. Pontanus ; and now lastly made English ... by John Chilmead ...; Tractatus de globis et eorum usu. English Hues, Robert, 1553-1632.; Chilmead, Edmund, 1610-1654.; Pontanus, Johannes Isacius, 1571-1639.; Molyneux, Emery. 1659 (1659) Wing H3298; ESTC R1097 145,949 311

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foot 〈◊〉 Diameter that so it might in some rea●…nable manner admit the description of particu●…r places But this bulk is too vast to bee ●…nveniently dealt withall And in this regard 〈◊〉 think that those Globes of which I intend 〈◊〉 speake in this ensuing discourse may justly bee perferred before all other that have been●… set forth before them as being more capacious then any other for they are in Diameter two foot and two inches whereas Mercator's Globes which are bigger then any other ever set forth before him are scarcely sixteen inches Diameter The proportion therefore of the superficies of these Globes to Mercator's will be as 1. to 2●… and somewhat more Every Countrey therefore in those Globes will bee above twice as large as it is in Mercator's so that each particular place may the more easily bee described And this I would have to bee understood of those great Globes made by William Saunder●…on of London concerning the use of which especially wee have written this discourse For he hath set forth other smaller Globes also which as they are of a lesser bulk●… and magnitude so are they of a cheaper price that so the meaner Students might herein also bee provided for Now concerning th●… Geographicall part of them seeing it is taken out of the newest Charts and descriptions I am bold to think them more perfect then any other how ever they want not their errours And I think it may bee the Authors glorie to have performed thus much in the edition of these Globes One thing by the way you are to take notice of which is that the descriptions of particular places are to bee sought for else where for this is not to bee expected in a Globe And for these descriptions of particular Countries you may have recourse to the Geographicall tables of Gerardus Mercator whose diligence and industry in this Regard seemes to exceed all other before him To him therefore we referre you PONT STRABO in the place above cited by the Author speakes of a Globe of that bignesse not such an one as himself had made but such an one as he could wish were made that so it might be every way absolut●… And indeed with in this age of ours the magnificent and Illustrious Tvcho Brabe who is now deservedly celebrated with the titl●… of a Second Atlas hath made a very faire Coelestiall Globe composed all of wood within and covered over with plates of Copper artificially wrought containing sixe foot in Diameter besides the Meridian and Horizon and other ●…ppendances which may be guessed at by the rest the like whereof so coldly and elaborately framed and every way exactly answering it self I think was never made by any And indeed it is a vast and magnificent piece of worke insomuch that many strangers came out of divers parts into Denmarke while it was there onely to see this Globe But Tycho●…fterward ●…fterward betaking himselfe to the Emperour●… Court caried this Globe with some certaino other Mathematicll instruments with him All which after the death of Tycho were ●…ought for a great sum of money by the Emperour and are now preserv●…d at Prage in the ●…mperiall Castle and shewed among other ●…arities there About the Horizon are read thes●… words written in letters of gold Anno a Christo nato M. D. XXCIV Regnante in Dania Frederico secundo hunc Coelesti machinae conformem Globum in quo affi●…a octavae Sphaerae sidera c●…litùs organis deprehensa suis quaeque locis ad amussim repraesentare Errant●…úmque stellarum per haec apparentias perpervestigare decrevit coelo terrigenis qui rationem eam capiunt Mechanico opere patefacto TYCHO BRAHE O. F. Sibi posteris F. F. Which Globe by reason of i●…s extraordinary magnitude hath this praerogative above all other that all things may be done upon it most exactly and in the very minute especially as farre as concernes the doctrine of the First moveable together with the observations of the Starres and their aspects in respect of the Ecliptick and AEquator all which may bee done mechanically without any ●…edious computations The great Duke of Tuscany hath also two very faire Globes as large as this but made after the ordinary manner the one a Terrestriall Globe but the other an Armillary Sphaere consisting of Circles and Orbes only Now concerning those Globes of Mercator spoken of by our Author the same have been since accurately corrected according to Tycho'●… observations and set forth both in a great and lesser form●… by J Hondius and are still made and sold by his Son And because that in this ensuing discourse of Globes there is often mention made of a Point Line Superficle●… Angle Rhombus Axis and other the like Geometricall tearmes I have thought good to set down the severall definitions of the same A Point is that which hath no parts or a thing supposed to be Indivisible or that cannot be divided into parts A Lin●… is a supposed length without breadth whose extreames or bounds are t●… Points A Right Line is the shortest of all Lines drawn from any two of the same Points Parallels are Lines equidistant from each other which though they should be protended infinitely would never meet in one point but keep still the same distance mutally A Perpendicular is a right Line falling directly on a Right Line and making on each side that Point where they touch two equall Right Angles A Superficies is a Longitude having onely Latitude whose tearmes and limits are two Lines A Figure is that which is comprehended within one or many bands under one bound is comprehended a Circle and all other Figures under many A Tearm or Limit is that which is the end of any thing A Circle is a plaine Figure comprehended under one round line in the midst whereof there is a P●…int from whence all Lines drawn to the Circumference are equall The Center of a Circle is that point in the midst from which all equall lines are drawn to the Circumference The Diameter of a Circle is a Right line passing through the Center terminated at each end with the Circumference and dividing the Circle into two equall Parts A Semicircle is the halfe of a Circle contained within the Diameter and halfe the Circumference An Arch is a portion of a Circle comprehended within a Right line and any part of the Circumference and is alwayes either greater or lesser then a Semicircle An Angle is when two lines are extended upon the same superficies so that they touch one another in a Point but not directy A Right Angle is that which is produced of a Right line falling upon a Right line and making two equal Angles on each side the Point where they touch each other As the Lines A B C. An Obtuse Angle is that which is Greater then a Right Angle as the Angle A C D. An Acute Angle is that which is lesse then a Right as the Angle A C B. A Solid Angle is