Volume 1

An introduction to a general system of hydrostaticks and hydraulicks, philosophical and practical : Wherein the most reasonable and advantageous methods of raising and conducting water, for the watering noblemens and gentlemens seats, buildings, gardens, &c., are carefully (and in a manner not yet publish'd in any language) laid down ... / By Stephen Switzer.

  • Switzer, Stephen, 1682?-1745.
Date:
1729
Catalogue details

Licence: Public Domain Mark

Credit: An introduction to a general system of hydrostaticks and hydraulicks, philosophical and practical : Wherein the most reasonable and advantageous methods of raising and conducting water, for the watering noblemens and gentlemens seats, buildings, gardens, &c., are carefully (and in a manner not yet publish'd in any language) laid down ... / By Stephen Switzer. Source: Wellcome Collection.

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    calculate by the Pint, Gallon, Muid, or any other Mea- fure of France, compar’d with thofe of our own Coun¬ try, would find himfelf greatly at a Lofs to come at the Truth of his Calculation. I need not enumerate, in this Place, the Methods I have taken to reconcile thefe two Kinds of Meafures (which are fo neceflary to be known) one to another, for the Explanation of the curious Examens of our oft-quo¬ ted Authors, on whom every Body relies for the Theo¬ ry of this ufeful Part of Mechanical Knowledge : Be- caufe that will appear more plainly in the Courle of the enfuing Treatife, and would have been too long to in¬ fer t here3 but the Reader may take it for granted, that I have (with as much Exaftnefs as I pollibly could) regu¬ lated and compared them both together 3 conflantly re¬ taining neverthelefs fo much of the French as relates to the Diameter of the Pipes of Conduit, Adjutages, or Holes through which the Water fpouts 3 becaufe 1 fup- pofed that the endeavouring to alter them, would ftiil make my Calculations from oFMarriotte the more diffi¬ cult 3 when I have Occafion therefore to mention an Adjutage, Pipe, or Bore of an Inch Diameter, I would be underftood ftiil to mean that of the French Mea- fure, which is in fingle Numbers to the Englifh, as 16 is to 15, or when fuperficially taken, as 1$6 is to 2.1% or farther, if folidly taken, as 40 96, is to 3 375. The chief Additions I have made to this Part of my Undertaking is, as has been above hinted at, an Ac¬ count of the feveral Rules in Arithmetick, as alfo Tables of the feveral Weights and Meafures of England, as fix’d by Statutes, and A6ts of Parliament^ and Excife, compar’d with the French, preceding the Practical Cal¬ culation