The third part of the principles of the art military practised in the warres of the United Provinces vnder the Lords the States Generall and His Highnesse the Prince of Orange : treating of severall peeces of ordnance ... : together with a list of all necessary preparations appertaining to an armie ... / written and composed by Henry Hexham.
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Title
The third part of the principles of the art military practised in the warres of the United Provinces vnder the Lords the States Generall and His Highnesse the Prince of Orange : treating of severall peeces of ordnance ... : together with a list of all necessary preparations appertaining to an armie ... / written and composed by Henry Hexham.
Author
Hexham, Henry, 1585?-1650?
Publication
Rotterdam :: Printed by James Moxon,
1643.
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Subject terms
Military art and science -- Great Britain.
Cite this Item
"The third part of the principles of the art military practised in the warres of the United Provinces vnder the Lords the States Generall and His Highnesse the Prince of Orange : treating of severall peeces of ordnance ... : together with a list of all necessary preparations appertaining to an armie ... / written and composed by Henry Hexham." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A43484.0001.001. University of Michigan Library Digital Collections. Accessed May 20, 2024.
Pages
descriptionPage 40
The finding out of the second letter.
〈 math 〉〈 math 〉
This 57. is now the valuation of x as xxx 2700. x is like to 31293. for the same value the signe—set down commeth 57, for the least valuation of the equality then in xxx—2700 x is alike to 31293. Now to find out by this 57. the length of the face, G. I. as followeth in the Rule fol. 138. of his new Algebra, that is, taking the half of 57. which is 28. ½ and multiply the same quadrate, and the product will be 812¼. whose tripple is 2436 ¾. and being substracted out of 2700. the number x. remaines 26; ¼ whose square root is V. 263. and being deducted from the half of 57. as being 28½ there remaines 28½.—V263. for the length of the face G. I. and E. F. and D. C. doth as much also.
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