( 443 > Numb.iii). 
PHILOSOPHICAL 
TRANSACTIONS. 
November 22. 1675. 
The CONTENTS. 
Some Experiments mutde in the Jir-pump at Paris. A particular 
given by an Anonymous French Author^ to fhew^ that the Rain and 
Snovp -waters are fufficient to make Fountains and Rivers run 
continually. A relation of (ijMr^ Jeffop ^ Broom- hall in York- 
(hire, containing a further account Damps in Mines j pro- 
mifed in Numb. 117. An Account of feme Books: I. A Fhi- 
lofophical Difiourfe of Edinh y relating to the Improvement of it 
jor Vegetation and the Propagation of Plants^ as it was lately pre- 
fentedtothe R.Society by], Evelyn Efq\* \l. A Dejcriptionof 
the Iflandsof Feroe, by Lucas jacobfon Debes,(»j7^^. A lU.Tk'e 
Gentleman's Recreation in four Parts^ viz, Huntingj Hawking, 
Fowling, Fi(hing,&c. 
Some Experiments made in the Air-pump Monjieur Vdipin ^ di- 
rected by tM(>nJieur Hugens, (^as appears in the Difcourfe printed 
Paris, 1674») 
'^nr^O mingle divers Liquors together by means of the Jir- 
P^^P? there were emplojed two fmallGlaffes, whereof the 
one could ent^r into the other , and the lea'ft of the two was faft- 
ned to the hook of an Iron-wire, and the greater put under ir^ 
andthefaid Wire was fo ordered, that thefe two Glaffes were a 
little diflant one from another , until the Recipient f were eva- 
•\' .The Kecz/'/ewfjwhich was employ'din this Engin, wasof a Cylindrical figure, 
of which one end is ail open, ro be fanned to the cement of this Pump-, tlie^/A^ris 
all clofed, except a fmallhole, having a little edge or brim j through which hole ■ 
you pafs thehook'd Iron-wire, mentioned in the difcourfe, and tye an Eel-skin clofe 
about the fame and three or four inches higher- Tlie fame skin is alfo to be tyed 
about the Iron-wire) to keep rheexternal Air fromentring into the Recipient, and 
yet without taking away the liberty to ftir therein what you will by means of the 
Iron-wire? that hath a Communication inwards and outwards. For this purpofe you 
muft chufethar part of the Eel-skin that is next'to the head , the other pctrc being 
pierced with many holes with valves that do not always fhuc welL 
To be the more furcthat no Air enters by the ligatures of the Eel-skin, ynu may 
apply a Tube on the Recipient with cement j and pour warer into this' Tube un - 
til the Eel-skin be quite cover 'd therewith. Care alfo muft be hsd, that the who'e 
be exactly fill'd up by the Iron -wire , for,if it; weretoo big, the Eel-skin would be 
thruft into it with great vioknccjand fo hinder the liberty pf raifingand finkjngic. 
Mmm ^ cuated 
