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Sr. Iohn Hoskins Related that the steam of the varnish
vsed by cabinet makers would sometimes take fire &
has been obserued to run along till it set fire to
the varnish in the vessell .

mr. Hooke Related that he had obserued something of
this nature of Oyle of turpentine, which being mixed
wth. an acid liquor that set it into a most violent fermen
ting, heating & smoaking in soe much as that it could
not be indured in the Room, being presently set into
the chimney corner where a fire was the smoke
presently caught fire and burned wth. a blase
almost a yard high.

mr. Sleyer presented the society wth. a phosphorus of
his own making, affirming it to be a compound
substance. and not like the Bononia stone This
was examined by seuerall present and It was
judged to be any as good as any they had yet seen
He was thanked for his Present & the stone was -
orderd to be kept in the Repository.-

mr. Haake Presented fiue small bookes to the society for
their Library, which had been presented to him by
Chritopherus Sturmius Professor of [^ /mathmaticks &/ Philosophy ^ at
Altorf. I Dissertatio De mathematis & mathematicis
II. De Authoritate Interpretum naturae ae speciatim Aristotelis.
III. De clepsydrarum phaenomenis & effectibus -
IIII De Cartesianis et Cartesianismo.
v. De visionis organo & Ratione Genuina -
He was thanked for his kind present and the bookes were orderd
to be put in the Library.
The same Also Presented the society for their Repository some
papers of salts & sulphurs which mr. George Trumbull had taken
vp & brough from the top of the Pike of Tenariff the were giuen
to mr Hunt for the Repository
*[Dr. Grew produced some salts which he had extracted out of the waters ^ /about London -/

Ref: CELL/RS/HF_316  © Centre for Editing Lives and Letters