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# Title: Lectures De Potentia Restitutiva, Or Of Spring (shelfmarks Leibn. Marg. 105, Stück 1; Leibn. Marg. 105)
# Folio 24, page id 859264114:0030
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Aream OF ater: Which ater as Ars Forced into
the Leaden Cistern chereot by tro Force Pumps
ertrich did alternatelz rork, and (o condense the Rir
included into a CmaIl RoOm. The contrivance Ot
trhich Engine ras noc unknomn to the ancients, 28
Elero in his Spiritalia does sufficientlr manitest, nor
vere chey mancins in applvins it torery good ules,
namelr, For Engines tor quenchins Arc: A5Vitruvius
(bythe help ot the Ingenious Monsieur Clande Per-
raults interpretation) hach acquainted us in the
Tweleth Chapter ot his Tenth Book, irhere he en-
dearours to delcribe Ctesibius his Enoine For quench-
insfire. Noc long since a Cerman here in Fneland
hath added a Further improvement thereot by con-
regins che constane Aream of mater through Pipes
made oF well tanned and liguored Lcacher, jorned
together to any convenient lenoth by the help ot
brazen Screms. By Wrhich che Crcam oF ater may
beconvered to anx conreniene place throushnarron
and othermile inaccessible paltages.
Theingenious Dr. Denis Pappin hath added a Fur-
ther improrement that mar be madetothis Ctesibian
Enoine by a nem and excellent contrivance ot his omn
For makring ot thetorcing Springe or P’ump, rrhich at
mr desire he is pleased to communicate tothe Pub-
liqueby chis Follomins Description, Which he sentme
COmetime CInCC.
DE. Pappins