Sentence Examples with the word sir william crookes

In 1861 Sir William Crookes detected thallium (named from the Gr.

Moissan has produced the diamond artificially, by allowing dissolved carbon to crystallize out at a high temperature and pressure from molten iron, coupled with the occurrence in meteoric iron, has led Sir William Crookes and others to conclude that the mineral may have been derived from deep-seated iron containing carbon in solution (see the article GEM, Artificial).