Mary Bannaky was the daughter of Molly [an Englishwoman sent off to America<span> as an indentured servant at the age of 17. ... </span>Banneker<span> taught himself the </span>science<span> of astronomy; he made projections for solar and lunar eclipses and .... 16 </span>people<span> found this useful .... In </span>Technology<span> ...</span>
