A normal platelet count ranges from 150,000 to 450,000 platelets per microliter of blood. Having more than 450,000 platelets is a condition called thrombocytosis; having less than 150,000 is known as thrombocytopenia.
THE APPRENTICESHIP SYSTEM. The term 'emancipation' which was used to describe the Act of 1833 passed by the British Government to put an end to slavery in the British Empire, is ambiguous and misleading. Slaves were not freed in the sense that they were given unrestricted control over their freedom of movement.
Slavery Timeline 1400-1500. A Chronology of Slavery, Abolition, and Emancipation in the Fifteenth Century. This page contains a detailed timeline of the main historical, literary, and cultural events connected with British slavery, abolition, and emancipation between 1400 and 1500.