(345) 
of, commodioufly to handle a Tube of that length ? 
2. Whether the fame have the Art (as has been written from 
Paris)to make fuch Glafsjas is not at all inferior to Fenke.glais^ 
and exceeds any plate of Glafsjiitherto madcthere^ twice or 
thrice in bigiaes ? 
3. What is the way of making Pot-aflies in Poland? 
4. What is to be obferved 2ihout Succinumov Amber /'whe- 
ther it be anExfudation of the Sea ? whether it be feen to float 
upon the furface of the Sea ? whether it be fofr, when 'tis firft 
caft on lliore ? At what feafon of the year, and in what manner 
'tis taken up, C^^^. 
What is to be obferv'd in the Digging of SalGemmce m 
Poland ? what is the Depth of the Mines , ftored with this Salt f 
what their diftance from the Seaj ^c. 
6. What truth there is in that relation concerning Swallows 
being found in Winter under waters congealed, and reviving^ 
if they be fifli*d and held to the fire ? 
7. Whether there be in the Bodnic{'Bay a Whirl-pool , as is 
related to be in the Sea of Norway^ which is commonly calFd 
the Maal'Jlroom f And whether there be any figns^that fpeak the 
communication of thofe Gulphs by fubterrancous pailages^ as 
the Jefuit K^rcher affirms in his Mundus Subterraneus T. i*p. 14^^? 
8. To what depth the Cold in thofe parts pierces the Earth 
and Water ? 
9* Whether their Watches go flower by the intenfe cold ? 
lO^ Whether their Oyls in hard frofts are turned into true , 
that is, hard and brittle,Icef 
!!♦ Whetherthey can freeze there a flrongBrin-eof Bay- 
fait ; and a flrong Deco<9:ion of Sal Gemmcej or Soot ; or a 
flrong folution of Salt ofTartar^ or of St^gar of Lead ? 
i2*Whether they can congeal mssr Blood,d\l the ferions part 
thereof being fevered ? Item^ Canary Wine ; the Lixiviums of 
Soap-boylers^ and fuch as are prepared of other Sales ^ as alfo, 
the Spirits extracted out of Salts, as Spirit of Vimol,Nitre^ ^c. 
i^^Whether an intenfe and lafting froft makes any alteration 
in ^ick-//lver^ expofed very fballow in a flat VefTel > 
14. Whether the Purgative virtue of Cathartic\s be increaf- 
cH or leffenedj or even totally deflroyed by a ftrong and con- 
tinued Cold Zz^ ij.Whe- 
