384

mr. Hooke produced ^/the translation of/ a Large Letter which he had Receiued from
mr. Leeuwenhoeck, written in Low Dutch together wth seuerall
curious Draughts of small peices of wood obserued in the micros
cope, by also the Letter itself. A part of this translation
was Read and the Delineations were examined, wherein
was explained the Seuerall vessells and curious contexture
of the parts of wood. the Remaining part was adiour
ned till the next Day, it being Late.

The Experiment shewed was the examination of the
specifique weight of Lead. Tin, and a mixture of
equall parts of Lead & tin. which was Done by
weighing them first in the air then in the water and
taking notice of their particular Grauitys -

The weights of wch. were as followeth.

melted
Tin -.
Lead -.
Tin & Lead.
before melting
3840.
3840.
7680.
in air
3536.
3628.
7096.
in water
3044.
3266.
6120.The difference
492.
362.
976.7 92/492
10 4/181
7 33/122
7 2/11
10 1/15
7 3/11.
8 23/61.

Ref: CELL/RS/HF_386  © Centre for Editing Lives and Letters