X1011587026-00251-63699</DOCNO> Cell Structure Cells 1600's - Galileo used a microscope to observe a biological specimen.
(Galileo; used; a microscope; to observe a biological specimen) Context(Galileo used,List([62, 74))):(Galileo; used a microscope to observe; a biological specimen)
Galileo used,List([62, 74))
Galileo Galileo
used used a microscope to observe
a microscope to observe a biological specimen
a biological specimen