8 units lab-count with totalizer. For simplifying differential blood cell counts.
- The  8 keys represent the normal Schilling Groups of Leucocytes. The above keys are the name and picture of particular cell.
- Each stroke registers both in the unit correspond- ing to its pressed key and in the window.
- When a total of every 100 cells are counted, a bell rings. 

- Counter clockwise rotate handle, it will clear figures.