Gentlemen, as a member I held my self obliged to add my Mite to your full fraught Treasury of Speculative and Practical Knowledg of this kind; though I confess your acquisition on this account will be very mean, since my want of ability sufficient to undertake a thing of this nature, and also want of opportunity by converse with others to supply my own defects, have rendred the Book less acceptable than it might have been done by some more knowing head and acuter Pen. And although I am conscious that it meriteth not your acceptance; yet I assume the confidence to believe that you will favour it with a kind entertainment amongst you; and the rather, for that I know you are too judicious to sentence it without first casting into the ballance of your indifferent judgments some Grains of Allowance: The countenance you shew it will silence Detractors, and be Armour of proof against the fools bolts which may happen to be soon shot at the Author, who is
Gentlemen,
A constant well-wisher to
the Prosperity (though an
unworthy member)
of your Society,
F.S.
ERRATA.
Courteous Reader,
Some few faults have escaped the Press: as page [27] line the 4th, for grateful read graceful. page [31]. line the 19th. for imitatieg read imitating, with some others, which you are desired either candidly to amend, or tasitly to pass over.