<p type="head"> <s>GALILEUS, <lb/>
HIS <lb/>
MECHANICKS: <lb/>
OF THE BENEFIT DERIVED <lb/>
FROM THE SCIENCE OF MECHANICKS, <lb/>
AND FROM ITS INSTRUMENTS.</s></p>

</section> </front> <body> <chap> <p type="main"> <s>I judged it extreamly nece&longs;&longs;ary, before our <lb/>
de&longs;cending to the Speculation of Mecha&shy;<lb/>
nick In&longs;truments, to con&longs;ider how I might, <lb/>
as it were, &longs;et before your eyes in a gene&shy;<lb/>
ral Di&longs;cour&longs;e, the many benefits that are <lb/>
derived from the &longs;aid In&longs;truments: and <lb/>
this I have thought my &longs;elf the more ob&shy;<lb/>
liged to do, for that (if I am not mi&longs;taken) <lb/>
I have &longs;een the generality of <emph type="italics"/>M<emph.end type="italics"/>echaniti&shy;<lb/>
ans deceive them&longs;elves in going about to apply Machines to many <lb/>
operations of their own nature impo&longs;&longs;ible; by the &longs;ucce&longs;&longs;e where&shy;<lb/>
of they have been di&longs;appointed, and others likewi&longs;e fru&longs;trate of <lb/>
the hope which they had conceived upon the promi&longs;e of tho&longs;e pre&shy;<lb/>
&longs;umptuous undertakers: of which mi&longs;takes I think I have found <lb/>
the principall cau&longs;e to be the belief and con&longs;tant opinion the&longs;e