# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/00068606:0342
# Permalink to this reading: https://leibnizlegible.com/page/00068606:0342?run=74
# Title: Leibniz-Handschriften zur Varia Physica LH 37, 4
# Folio 169v, page id 00068606:0342
# Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 170r); this page is its left half.
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068606&page=342
# Source image: https://digitale-sammlungen.gwlb.de/content/00068606/jpgs/default/00000342.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 65 lines, status machine
# Lines: 65 recognised, mean confidence 0.91
# 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: the recognised lines in reading order, one per line.

et paratum erit Thermometrum clausum quod
proinde aeris ambientis pondere non potest mutari. rtite
autem er hydrargus rum prius fuisse ab aere purga,
lonven
tum quod fit si aliquandia steterit in machina
abOtone Gerickio primum. Magdeburgi inventa
t
b insignu ver
et a celeberrimo Boylio promota,  aer
suctu exhaustus  ex ther mometrum fab
temperesqo ppe ee caltem praeparari
tempore quo medius est circiter tam caloris in aere, quam
ponderis in atmosphaera status. ponamus jam caloris
aere TrxZ gradum mutari et vel ea aucta Hydrargurum ex P
 ascendere in F, vel minuta eadem ex P descendere
in 9. Qvaeritur quis in casu
hydrargyri positi in F vel  sit caloris
Gradus, seu quis numerus divisionis ascribentus
sit in F vel . Hoc ita restiuabimus: Capacitas
parieas seu spatium
totiis instrumenti sit A et Hydrargri infusi 
( seu portionis p_RS () sit G. et spatium seu volumen
Hydraroum suspensi pQ sit H Erg XZ
volamen aeris habebitur, si a  spotio
detrahaturtispatium hysdrargusri tebas ZRST. Sed
spatium QRS TVXZ, habetur si a toci spatio, A. detra
hatur spatium OP, id est
La
caparitas qius  instrumenti sitegri 
seu spatii OPE RsFVXZ sit A; spatium
ipsius hydcargyri ut PARSF sit B. haec duo sempe
 et Bempemanent eadem. Constat autem spatium hydrargusri
espat per merente ex spatio ipe
RS quod sit E et spatio s duplicato, et (nempe
ZR et SY) quod sit bis D; et spatio pZ Y quod
est datum  data quippes altitudine PQ eadem
quae est in Tubo Torricellipmo quae. Iabemus
Ergo B aequal Cpl vis s pl H. Simciliter constat
constat spatium hydrargyri AEGRSC ex spatio R5 seu 
spatio SC duplicato (nempe 5R et SC) quod sit
bis L, et FG quod sit M, spatium scilicet Hydrar-
gyri ab aere nunc alterato sustentati; et habemus
iterum B aequal.) E plubis L pliMM. Ergo fit
Bminus Estet s   aequal. bis L n plus M. porro
spatium aeris ante alterationem, nempe TVX
sit N cuci si addatur in  C, el 
in casu aucti scaloris, (vel anferatur k in pasu
minuti) fit
spaticemale spatium
datur et PZ spatium equ Hydrargyr
adenere edena ab aere ante alterationem susten A(hoc est VX Z) plus CF, plus M (seu CSRF) plus
tati, quad idem stccum alti cujus altitudo est
eadem cum altitudine ejusdem in tbo tubo Forri–
celliano suspensi. quod vocetur D; itemqu  datur
fa
ingeniosissime
pulchre excogitata.
adeoque et dilatandi se
vim mutari
 posita ratione rectat
PF ei pg ad Pe datat
H et spa
+ vel FGMSC
H Hydrargyri ab aere.
ordinario sustentati