C 27 ) 
from that which is urual in Mock-Suns ; nor the great length of 
theTayl, caft up by the genuine Sun, and of a far more vivid 
and fpJendid light , thaa Farhelm u£e to exhibit. Upon this 
appearance there foori followed here an exceedingly incenfe 
and bitter Froft , whereby the whole 5/;?^ jP^^f;^/?j was fro* 
zen np from this Town of Dantzick^ as far as HeU in the Bal^ 
tiqueS^z^ which lafled unto the 2^thof March ; and the Bay 
was frozen fo hard, that with greac fafety people run out into 
it wirhSleds and Horfcs, for feveral of our Miles, Whether 
the recited Pha^nonienon have had any influence for thisex- 
treamCold, I know not, but leave it for Aftrologersto ex- 
amine. Whether the like Appearance have ever been obferv^d 
in 'EnglmA^ I fhould be glad to be informed of 
AjnExtradof Monfieur Hevelm^s Letter, lately written to the Vuh- - 
liiherj concerning the famous Kepler'^s Manulcripts ? together with 
fome coniid era t ions of his, about the ufe of Telefcopk Sights in A- 
ftronomical OhkiY2Ltions I Delivered in the fame language, wherein 
"'twas written. 
X tm 1 6 Scptcmh, daiis inteUexi^ T^e plemorem informatl- 
onem de Kepleri Manufcriptvs defiderare. Jam ante hac^nt 
fallor^ adVos perfcripfi^ me omnia H cpleri MSS. ab hdcredibp.s certo -pre" 
iio ohtinuijfe^ turn opera jam edita^ turn qu^dam hadenus inedita i inter 
c£tera^ ipfa Epifiolarum omnium (quarum magnM numerm) ad Clariff^ 
Viros Jcriptarum Autogra-pha^ cum plurimorum illiufi tem.porU lUuffrium 
Virorum rej}onfion?hus. Inter MSS, i]la inveniuntur fane qu£ Imem me" 
rentur^ non folkm plurim£ EpiftoU , fed & Opera qH£dam^ 'inter qu£ s-- 
minet ejus Hipparchus, quanquam non fit^ ut par ej}^ digejim , qi^i tamen 
poj^et^a qmpiam harttm rerumperito & otto abundante^ facile in ordinem. 
redigi & abfohi, FoJJldeo itidem fcripta ejus Chronologica, At Kepleri 
vitamjludio confcriptam non invenio '-i interim plurima notata d/gnijfima^^ 
vitamejm fled ant ia^pajjim notavi^ ex quibmVita ejiis poJfe.t baud ohfcure 
depingi. ^£ vero in fiecie ex fcripth ejus penes me habeo^ 
Catalogus hkce ^ indicabit. C^terkm percipio , Veilrates Vidsinfrsi, 
non omnes mihi adfiipulari in ijio Dioptrarum negotio^de ' 
quihus in Machinse mea^ Coeleftis Organographia tratlavi' Verkm^ eti- 
amfi CLB.cokiuSy&CLihm{kQdius'\j aliiqiie.^ plane f vid.J2\ 95. 
aliter fentiant ^ experientiktamen quotidianci me edo- p^g 6,003, ubi 
cuit^ atque stiamnum docet^ rem huge aliter fe habere VhmMim^wh'v 
in Magnis iVk Orgam, Qazdrzntibus fcilicet. Sextan- «^o° 
cosinFixarumreftitutionehabiturifimusabillo, qui nonntfi pinaacidiis vitro» 
mm caffis utitiir, Buc mm pmf rtfpm hujm j^fMa Author^ 
