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# Title: Leibniz-Handschriften zur Varia Physica LH 37, 4
# Folio 157r, page id 00068606:0317
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desineus.
ub. 1677. Se Baro metro portatili
scheda T.
Barometrum portatile haberi potest, si
Thermometro conjungatur
sitit Thermometrum ABC.; Barometrum
DEF. inter se juncta,  per Tubulum
CD. Thermometrum compositum ex siphone
vit seus
ABC est siphio bicrurus ex in duas pilas A, et C
 Barometium, DEF
est Tubus DE, cui insistit nila D, recurvatus in EF.  pila A
habet Tubulum AH, pila C tubulum CG. et pila D tubulum DG.
Utrum quodque separtim fieri potest, Tubus AB et tubus CB, separatim
tactiu
conflati jungi possunt in C. et totum similiter, totum
mediu
Thermotuetrum ABC, tabulo CG, jungi potest tubuls GD, Barometio
DEF mediartibus Tubulis CG, DG.
Nihil refert quae sit
altitudo crassities rectitudo tuborum, ac pilarum.
Usus orc
His ita nabitis, instrumentum ita praeparabitur: pilae C D.
Patiter et aequaliter calesiant, exibit aer per F et ; quo
facto durante adhuc calore, infundatur Mercurius utrinque, hinc per
F. illine per A. Infusus per F erit LEnV it et MN
resrigeratis, Dubis
eminebit ultra horizontem LM infusus per H erit, 0PQ. His
positis ajo altitudinem Dq aequalem necessario esse altitutins MN.
quamvis tubi, CB et DE, pilae c et D. et quantitates infusi
Mercurii oBP LEM, differant Nam ob communicationem pilarum
C et D in G. aequaliter per eas distribuetur aer et utrobique tam
per A,c H per H, quam per F. aequalis vis premit pondus scilicet
aeris, cuus in liquo effectus in liquore tantum secundum altitudine in
qua super horizontem eminet, utrinque spectari potest. Cum ergo
eadem utrinque vis et resistentia sit, eada idem utrabiqus effectus
scilicet Mercurii altitudo erit. Jam Jam duo instrumenta jam
Barometrum a Thermometro separabimus Tubulum H hermetice sigillabi
mus, et tubulum CGD flatu inolliendo in medio G. ducemus, doductis
a se invicem hinc Baremetro cMermometro ABC, et Barometro DE L
 extremi iversis sigillationibus separate eos, et relicsum
interec
in medio impune abrumpere liceat. Tavendum tantum ut durante
12
ovi