Blood Cell Counter,Blood SAMSAC035

A convenient table model that can be operated with either hand, having 8 keys and 1 totalizer unit, for use with a microscope to count the Meta-Myelocytes, Basophile, Monotypes, Lymphocytes,
Polycystic and a window for other mIscellaneous cells.
Each key can record up to 999 with the exception of the totalize unit which records the total number of strokes made on all the other keys.
At totals of 100, 200, 300, etc., the totalized unit rings a bell.
The keys are positioned low, allowing the wrist to rest on the table and registers are located above the corresponding key for continuous visibility.
A reset knob at either end of the counter can turn all the keys to zero.