This document provides instructions for performing a blood cell count using a hemocytometer. It explains that a hemocytometer is used to count blood cells and involves diluting a blood sample then counting the cells under a microscope. The key steps are filling pipettes with diluted blood and diluting fluid, charging the counting chamber, allowing cells to settle, and counting cells that touch the ruled lines. Calculations are provided to determine total red blood cell, white blood cell and platelet counts based on the number of cells counted. Precautions like cleaning equipment and ensuring no clumping or bubbles are also outlined.