gainft the furface of the Water in the Pit. This oc- 
curs if the MaTVTall fide-v:^a)^ upon the Water 5 but if 
end-ways, fit I may fbexprels itjthen happens a thing 
more remarkable. For (according to my Information) 
*moft of the Mafts that lall end-ways, dive fo far un- 
..der Water, that, they rife not again for 4 hour ^ others 
'ihouT,. feveral I'hour^' and fome a whole hour and 
upwards. If it (hall be thought that the Mafts ftick 
faft in the Mud for fome time , to take of that Ob- 
jeftion 5 the Lake or Pit into which they fall, has been 
often founded with a Line of fome hundred Fathoms 
Long, but never could they find any Ground. 
^ As touching the Ifland Wee^, (vulgarly term^d^Ae 
^l^carlet lfland) all the World knows how famous iJis 
tor Tj/cko Brahes Aftroqomical.Obfervations. I had an 
dgportunity to view the Ruins of the noted Gbferya- 
tory erefted by that Renowned D^wz/& Aftrdnomer, 
How neat that Ot^ervatory was when entire, and h6w 
wMl ftdckt with Mathematical Inftruments^'is now 
Tomethirrg uncertain, but thisi methinks, is- pfetty ob- 
tain, that the Ifland Wee^ (with all fubmiffion to bet- 
^ter judgments^ was none of.thefitteft tor Aftronomic^l 
Obferyations of all'foftSjXfi^cH as the taking the ex^£t 
time of the trrire Rifing and Setting of Coeleftiil Bdffies 
togjether with their refpeaive Amplitudes'] - becaufe-the* 
Ifland lyes low, and is Land-lock t on all points of the 
Compafs, Tave three 3 being heiiim'd in py rlie"5W^V/7; 
and pimi/fj Coafts;.fr6m Sih^y quitre round to S-.S. W. 
Befides, the fenfible Land-Hoitzion of the Wteh is ex- 
treamly uneven and rugged, the North and Eaftern 
parts thereof being fome rifing HiHs in the Provinde 
of Schomn 5 and the Weftern part is moftly overfpr^ad 
with Trees on the Ifland Zealand: from the remoteft 
of which Coafts the Wit^ is not diftant ibove three 
Leagues. That thefe Wi^e real Defefts in a nice Ob- 
Tervatory, was frankly fciwn'A by fotne Univerfity men 
at 
