K ( 684. )

a Flat, being very little Rais'd in the middle. Over this Arcb (aster some wal-ling Interposed) there is another Arcb ( to desend the former) more Raisedfrom the Flat. The Dimensions os all, I have thought fit here to Sub«joyn.

A B. The Brcadtb between the Jambs, from inside to inside, 18 Foot.

C D. The Dcptb of the S:oncs in ehe Lower Arcb, zz Inches ■ Locked oneinto another, with a Crooked joynt.

DE. The Diflancem Walling, between the Arches, z Foot and 7 Inches.

E F. The Dcptb os the Stovcs for the Upp:r Arcb, i) Inches: with aStraigbt Joynt.

GI 1 . The Place of two vast: Tunnels of Stone;

K, A PVindcvp between them.

ji Km^ndof IX. M. Wcighclius bath lately Invented an edd Bridge or kind of Stairs,.St Ars ; by M. by wliich a Man {hall Dcseend, and yet really be Raised upward; and goingWeighelius.^ as ’ tweie U p on a Plain, shall from a Lower,. by gently lubsiding, arrive to"an upper Story.

Prefervlng of X. In the Indian Sais there is a kind of final! PVorms, that faden them fei ves

sbips from be~ the Timber of the Sbips, and so Pierce them, that tbey take Warcr e very

ir/r. where ; or it they do not altogether Piere e them thorow, they so weaken then.n.p. ipo. the Wood, that it is almod Impoiiible to repair them. Some have ImployedDeal, Hr.ir and Lime, Lee. and therewith Lined their Sbips • hüt besides thatthis does not altogether aftright the PVorms, it retards much the Ship’s Courso.The Portugals scorch their Ships, in so much that in the Qoic^lVorltj there is madea Coaly Crud of about an lnch thiek. But as this is dangerous, it happen-ing not leldom that the whole VelTel is burnt ; lothereafon why the iVonns“eat not thorow Portugal Sbips, is conceived to be the cxceeding hardnefs ofthe T imber, employed by them.. There is in Holland a Man that pretendsto have found an Admirable Sectet to !\cmc.!y this Evii. And a very wor-thy Person in London, soggeds th c-Pitcb, dratvnoutol ScaCoals, for a goedHemcdy to Icare away thesc Kvyscmc Inscii s.

14» oteetun» of XI. Some few Years since, Sir Phil. Howard and Majcr H'asoi,. with greatZedA sbiAthing -.Charge and Indudry found.out a newWay, by a Manu factu re of our own,b n ioo*« B 01*92* t0 P rc ^ vvc khe Hulls ct Sbips from the iVorm, &c. wliich is much sinootherand consoquently bettet for Sniling and more Cheap and durable than theWay of Boards , Pitcb, Tar,Bcfm, Briinstone, or any Shcatbing or G ravi/ig hi-therto used. The Kjng and Pari i ament being Satisfied-, upon Examinatioriof the great Benefit that might redound hercby to his Majcsty and Subjectsin General, for the Inventors Incouragement to make the somePublick, were.pleased almod 4 Years since, to grant them an Aci of Parliament for theSole use of this their Invention, with Penalty and Prohibition to ali' others.In Prosecution whereof, Experiments have been made upon severa 1 of his

Aiajefiy^s