Mr. Blundevil His exercises, contayning eight treatises ... which treatises are very necessary to be read and learned of all young gentlemen that have not been excercised in such disciplines, and yet are desirous to have knowledge as well in cosmographie, astronomie and geographie, as also in the art of navigation, in which art it is impossible to profit without the help of these or such like instructions / To the furtherance of which art of navigation, the said Mr. Blundevil specially wrote the said treatises.

Thomas Blundeville

Date:: 1636

Credit: Mr. Blundevil His exercises, contayning eight treatises ... which treatises are very necessary to be read and learned of all young gentlemen that have not been excercised in such disciplines, and yet are desirous to have knowledge as well in cosmographie, astronomie and geographie, as also in the art of navigation, in which art it is impossible to profit without the help of these or such like instructions / To the furtherance of which art of navigation, the said Mr. Blundevil specially wrote the said treatises. Source: Wellcome Collection.

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Of Arithmeticke? $ prickes mave at the endof ebery third figure, beginning to fell from the right hand totwards the left-agin thisnumber : 4}320] $70.30 whieh, beginning with the Gppher on the right bano, J tell one, ftwo, andthe, andthere make a tkrecke, and fo p20 Ceding forth Mill towards the left hand, Ff wake alirake at the cid of ebery thizn figure, bp iwhich ttrakes o2-partitions 3% niake Chem now generall numbers, and every traeke niutbenamed by bis feverall tenomination,. QatiwithHanding, tt erpreting this number being thus ptbibed, 02 any otber.fuch like, pou mutt begin af the left band, and fay in this Crample thus, foure Pilltons, thee hundzed twenty thouland, flue bundred and (e- Qentle : for hy reafon of this, Divifton, the Figure 4 fanveth. Here alone, anain the fri place,and indeed fanifieth foure soil lions, and by that meanes, pou may fitlp erpette the faid num- ber in. faping as. afeze, thus, foure. Willions, thre bunded ann. Cwentie thoniang, five hundzedand febentic.. dnd the befter to. bifterne {hedpillions from the ett in great numbers, it {hall sine, be aniffe to fet an fignifping. Billions, right ober the.heaa ofthe trake ibich is datune betwixt the firth anulesenth Ft gures, 341345, 1673694, which is to be uttered this, thirtp foure, tooufand, fine bundred, forty five ilfous, dre bundzed (ebenty etabt fhoufand, fr bund2ed ninety and foure crowwiaes 02 pounds, 02 twbhatfoeber other denomination 02. nante tt fall pleale pou fogibe them... | Ter wre ' Crap, TT. | Of the foureSpeciall kinds or parts of Arithmeticke. MOPS THich arethofefoure kinds? @ . Thefe, Addition, Subtraction, Multiplication , Wey and Divifion, i op lat 2 Whyisuot Numeration alfo counted as apart? Fertexwee Becaule Numeration together with the figures and places whereof it confifttech, are counted rather as firft Ele- ments, and Principles of Atithmericke, then as partsor fpeciall ae se op kinds thereof,

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