A treatise of artificial fire-vvorks both for vvarres and recreation with divers pleasant geometricall obseruations, fortifications, and arithmeticall examples. In fauour of mathematicall students. Newly written in French, and Englished by the authour Tho: [sic] Malthus.
About this Item
Title
A treatise of artificial fire-vvorks both for vvarres and recreation with divers pleasant geometricall obseruations, fortifications, and arithmeticall examples. In fauour of mathematicall students. Newly written in French, and Englished by the authour Tho: [sic] Malthus.
Author
Malthus, Francis.
Publication
[London] :: Printed [by W. Jones] for Richard Havvkins, and are to be sold at his shop in Chancerie lane neere to Serieants Inne,
1629.
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Subject terms
Fireworks -- Early works to 1800.
Cite this Item
"A treatise of artificial fire-vvorks both for vvarres and recreation with divers pleasant geometricall obseruations, fortifications, and arithmeticall examples. In fauour of mathematicall students. Newly written in French, and Englished by the authour Tho: [sic] Malthus." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A06780.0001.001. University of Michigan Library Digital Collections. Accessed May 18, 2024.
Pages
descriptionPage [unnumbered]
CHAP. XVI. Of the rule of three without fra∣ctions.
MVltiply the second num∣ber 400 by the third 12. and product 4800 by the first number 4, and the quotient shall be the number re∣quired, and dispose your rule as fol∣loweth.
months—pounds—months. If in 4—400—12
descriptionPage 249
The probation of this Rule.
IS to multtplie the first num∣ber 4 by the fourth number 1200, and to multiplie the second by the third, and the two products will bee equall if the rule bee well made.
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