The 5 and 8 counting units record up to 999. The last unit without a key on the right is the totalizing unit which records the total number of strokes made on other keys. At 100 increments, the totalizing unit rings a bell. Reset knobs are on each side. Removable tabs provide an area for identification of the classification being counted.
A**R
Three Stars
No es del mismo material ni el mismo modelo de la fotografía pero me fue útil.
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