BLOOD CELL COUNTER

8 KEY- HAVING 8 KEY & 1 TOTALIZER UNIT FOR WITH A MICROSCOPES TO COUNT THE META -MYELOCYTES , MYELOCYTES ,BASOPHILS, EOSINOPHILS, MONOCYTES LYMPHOCYTES,POLYCYTES & A WINDOW FOR OTHER MISCELLANEOUS CELLS. AT TOTAL OF 100, 200----ETC THE TOTALIZER UNIT RINGS A BELL.

5 KEY- HAVING KEYS & OTHER IS SIMILAR TO ABOVE.