I most heartily wish, that the wise Measures, the Government has already taken, and will continue to take, with Regard to the former of these, may make the Rules about the latter unnecessary: However it is fit, we should be always provided with proper Means of Defence against so terrible an Enemy.
May this short Essay be received as one Instance, among many others, of the Care, you always shew for Your Country; and as a Testimony of the great Esteem and Respect, with which I have the Honour to be,
SIR,
Your most obedient,
Most humble Servant,
Novemb. 25. 1720.
R. Mead.
PART I.
OF THE