( 74) 
An Extraflofa Letterof Monfieur lately written 
to the PublKher, together with the Copy of a Letter of Dr. 
Wajmuthy giving a large Account of a New j^Jlrmomico- 
thromlogicd Work, now by him preparing. Both deli- 
vered in the fame Language, wherein they were yvritten. 
PR£terea cum nihil hac vice reUtu dignum occurrat^ 
quod vohis commimicare pffim ; ecce copiam literor 
rum ad Amicum quendam meum exaratarum, de librt cujufdam^ 
4C/ P(?^.Wafniutho, LL OrientaliumY^Wom Profejfore^con' 
fcripti arguments litulm ejl perquam JplendidHS\ miraq\ 
Ajlronomis & Chromlogis poUicetur ; fedy mm res ipja promiffis 
reJponfurAfit^ efi quod vdde dubitem. Frofe5to Ji prafiare ea 
pojfety omnes jifironmos maxima cur a & molejlia^ multoque la- 
horey quinos dium£tuq\ torquet^ liberaret^ nec foret opHs im- 
pofterum dehs tanto (ludio contemplari. §^id vejlratibus^ rerum 
Calejiium ln{peCtoribm^hac de re videatur 5 mmq-^ luc res abfqs 
Veterum ^ Recentiorum Obfervationibm eoy quo lUevuIt^dedu- 
ti queat^ hand gravatim exponas^ qu^fo, 
Sequitur ipfum Apographum 
Epiftolae Wafmuthianae. 
^uandoquidem prafem fert occajioy per Clar. tuam Magnifico 
vejlro Hevelio, ceu Jflronomorum avi nojlri Celeberrimo^qu^' 
dam me nunc fubmambmverfantis^ Operis jiJlronomo-Chro- 
nologici pr(£metia communicandi ; velim^Clar. tua Viro fummo per 
occafionemindtcety me^ enata mihi anfa ex Dn. Calovii Difi 
cufjione B.^y'izxiT^Chronokgia^moliri jam fere per triennium Opus 
g'^^ij^^/iw^ Aftronomo-Chronologicum ; qmdy uti a me concept 
tum^ maxima parte jam effe3-umefi^ fujlinere pojfe^ citraja- 
£tantiam^ putem hum titulumi Annales Caeli & Temporum 
perpetui , five^ Myfteria Aftronomo-Chronologica, a feculo 
abfcondita, nunc per Dei gratiam detefla & evidenter alTerta 
Libris IIIK 
Quorum pr imus ( i . ) dejlruet illam havtenm wulgatam Afiro- 
mmorum hypothefin de duplici ^JVlotu Corporum Calefiium contra- 
rio ; altero^ Frimi ^Mobilis^ Mctu Raptus diSto^in Occafum 5 
dteroyproprio Secundorum Mobilium^ in Ortum ; ex quo proffer 
im- 
