1gave over, the bubbles riſe almoſt (if
not altogether) in as great numbers
as ever, inſomuch as none of the various
Liquors we tryed either before or ſince,
ſeem'd to abound more with Aerial Parti
cles then did this Oyl. In which it was
further remarkable, that between the time
it was ſet into the Receiver, and that at
which we could get ready to Pump, it ſub
ſided notably (by gheſs about half an
Inch) below the mark it reach'd before it
was put in.
not altogether) in as great numbers
as ever, inſomuch as none of the various
Liquors we tryed either before or ſince,
ſeem'd to abound more with Aerial Parti
cles then did this Oyl. In which it was
further remarkable, that between the time
it was ſet into the Receiver, and that at
which we could get ready to Pump, it ſub
ſided notably (by gheſs about half an
Inch) below the mark it reach'd before it
was put in.
Experi
ment 24.
ment 24.
After this expreſſ'd Oyl, we made tryal
of a diſtill'd one, and for that purpoſe
made choice of the common Oyl or Spi
rit (for in the Shops where it is ſold, the
ſame Liquor is promiſcuouſly call'd by ei
ther name) of Turpentine; becauſe 'twas
onely of that Chymical Oyl, we had a
ſufficient quantity: which, being put in
to a ſmall Glaſs bubble with a ſlender
Neck, ſo as to fill it to about two Inches
from the top, did, upon the evacuating
of the Receiver, preſent us with great
ſtore of bubbles; moſt of which riſing
from the bottom, expanded themſelves
exceedingly in their aſcent, and made the
Liquor in the Neck to ſwell ſo much by
degrees, that at length it divers times ran
of a diſtill'd one, and for that purpoſe
made choice of the common Oyl or Spi
rit (for in the Shops where it is ſold, the
ſame Liquor is promiſcuouſly call'd by ei
ther name) of Turpentine; becauſe 'twas
onely of that Chymical Oyl, we had a
ſufficient quantity: which, being put in
to a ſmall Glaſs bubble with a ſlender
Neck, ſo as to fill it to about two Inches
from the top, did, upon the evacuating
of the Receiver, preſent us with great
ſtore of bubbles; moſt of which riſing
from the bottom, expanded themſelves
exceedingly in their aſcent, and made the
Liquor in the Neck to ſwell ſo much by
degrees, that at length it divers times ran