# Leibniz Legible — https://leibnizlegible.com
# Piece: https://leibnizlegible.com/api/records/44880/text
# Catalogue record: 44880 — Leibniz an Römer
# Incipit: Sperabam ad vos perventurum illustrem virum Dn. de Croseck,
# Date: 1705-10-01
# Sender: Leibniz — Addressee: Rømer
# Record in the Leibniz-Katalog: https://leibniz-katalog.bbaw.de/de/extended-search?id=44880&katnr=34770
# Work: https://leibnizlegible.com/work/DE-611-HS-866494
# Title: LBr. 787 · Rømer
# Folios: Bl. 20 (from the shelfmark LBr 787 Bl. 20): 2 pages, canvases 39–40, page ids DE-611-HS-866494:0039 to DE-611-HS-866494:0040
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=DE-611-HS-866494&page=39
# Lines: 125 recognised on 2 of 2 pages, mean confidence 0.84
# Catalogue: Leibniz-Katalog / Arbeitskatalog der Leibniz-Edition (https://leibniz-katalog.bbaw.de/), ed. Arbeitsstelle Potsdam I der Berlin-Brandenburgischen Akademie der Wissenschaften, CC BY 4.0.
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
# Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text.
# Wording rule: say "the machine reads it as …", never "Leibniz wrote".
# After the first blank line, page by page: a "## Folio <label> — <page id>" line ("## Canvas <n>" where no folio label is recorded), "# " lines naming its source image and model, then its recognised lines in reading order, one per line.

## Folio 20r — DE-611-HS-866494:0039
# Source image: https://digitale-sammlungen.gwlb.de/content/DE-611-HS-866494/jpgs/default/00000039.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 81 lines, status machine
tdes
Quel sebyN 1 Octobe. 1701
A Monsieur
llustris et
implinl
in quibus observationes
suo otio e restimonio
confirmant. Si
Merabam ad Vos perventurum illustrem virum
da de (xoseck, cujus est insignis in studium Astronomicum
propensio: per hunc TEeum colloqui sperabam. Sed ille ut audeo est
Niml moxicuam
valetudinem non prorsus segendam ter domem sse regit res, et opto sobi qua
tatum icidere potest quam doceir de ebus uisquas gneo sefiorentes, et opto pobs quam
nabime diuturnas. Sitire pacemt duo cita volubilia instrumentei majora ex metalio in plo
meridianus emprimario verticali; nec dubito quin pro tua maximarerum
etiamsstechanicarum peritia, id curaveris, ut ne in motu vacillent, paulatimte
in axe attrita nimum tibertatem acquirant.
Quid noster
observator ex capite bonae spei al missurus sit expecto. vellem non
praecipitasset iter, et lE prius adisset, sed du. de Aisigt
sers
 judicabat moram omnem damnesam judicabet.
es
vasi
ut saptrimis Luna appulsus adfixas diliusenter Tebscopio penduloque adhibitis
s
bservaret. nam facendum est accurat
tam motis quparis constitutio
hB1
Lunas
pem maximum esse Astronomiae resideradum. l. Necotoni heoriam
dusum qs
intilligo in ipsa Aeglia sunt qui aliquid amplius desiderant.
Ego judicium tuum inprimis desidero tum de hac Ventoni Meoria
Replerianis in universum, an
e
tum de Ellipsibus er
egurae isti ejusa areis tempori proportionalibus einorum
 aberrationes  aliis causis sibe in resistent
medi, sive in a. orum attractione quaerendis tribui possi s. Cassinus
s
putes; ita ut vevetat
loborum
e
summa rectarum
ex foco ad punctum Curvae, sed rectangulum sab his rectis sit constans;
proheipsi aliam Ovalem uostifuit in qua non
dac obfineri pose nulavit, at quod in Elcipsi circiter verum est,
alnu haebea
occupate descrerendatur
ex uno foco, sint proportio
n
ut, nempe areae
ex altero foco. sed vereor a
favea mipus adhuc
ut obaribus quam Ellipsileus faveant observationes.
1
nales angulis
mogni operis quod
Loudino mussa ad me est flmeatiet amalitus
1
h0 aunctum ooservationet
lude 3 suspiae assinum
edere moltur Flamsteams
hypothetiso quam recumbertara quam pro veris Astiora
actulat diligentiae viruli magis has dvales ad cunvirendum proposun
lineat vendit cusse
cum tenponte menis c aptus sit carculu
le
le
Monsceu Agu
un
el saltem
Rirchio
nostro salis
communi-
casset
nevi
conuss
anguloper

## Folio 20v — DE-611-HS-866494:0040
# Source image: https://digitale-sammlungen.gwlb.de/content/DE-611-HS-866494/jpgs/default/00000040.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 44 lines, status machine
omplexurum
Continebil
prima pars complentetur distantias
planetarum a props
Ida Meridianas. stantias a versice
tam
et transibus per Meridianum fixarumt planetarum arcu
murali observatas
tra varios fixarum mculogos
rum alienvs, tum ex propius ooservationibus Lis multo
accedent ligurae
pes est alee sumtus edendo oeri
ex judlico surpeditarum em. Otinam Tuorum edendorum eandem
pem nobis faceres, qui conjansisti deservandi ppeta
Cam cocerrima in ingenio summaque  revem profundioris Ghometriae
peritia. Quod superest vale et fave. Tabam
caneverae
do 1oc
u
∞
se
L, pl
sane quo lua
protant s certe, eximia, abi potius ab aliis extorta aut surrepsa
quam a TE edita habemus, quae optarem a CE ipso igventore,
cum multis aliis explicatius nobisdari:
delut demonstra-
2
tionem Mobus puem instantanei Lueis et figurae dentium ad
Rotas Epicus ervidales, ac denique descrptionem  rachinae Coelestis
qua TE inventore confecta nihil habuere Galli pretrosius quod
Morpivio snamm offerrent. Augemanam Machinam
descriptam videris  in ejus pasthumis Mosse velim differentiam
a lud..
quod supenes vale tt fave. Dabam fanovero
Oodum.
Montieur
M
Honsieur Romer
S
Ui
illustre
insieur Romer
deditissimus