Line Seiki H-102 Series Tally Counters (Mechanical). The H-102 Series is operated by the actuation of a thumb button even without looking at the counter.
Obishi Keiki Seisakusho Granite V Block, Kouei Japan Trading
Line Seiki H-102 Series Tally Counters (Mechanical), Kouei Japan Trading
Line Seiki H-102P Series Tally Counters (Mechanical), Kouei Japan Trading
Binary counter - H-102 series - Line Seiki - digital / mechanical
TALLY COUNTERS – LS Instrumentation Sales & Services