Vintage Electronic Calculators: CALCUSEUM Home page
| Alfabetical Brand/Type List Criteria: Vacuum tube (cold-cathode relay) |
AKA (Also Known As) | Label on Back | Product Number | Year of introduction | Classification |
| HIVAC_parts(E): XC31 (Cold-cathode Relay tube) | XC31 | 1960~ | Part / Vacuum tube (cold-cathode relay) | ||
| PHILIPS_parts(E): Z7000U (Cold-cathode Relay tube) | MULLARD: Z7000U | Z7000U | Part / Vacuum tube (cold-cathode relay) | ||
| 07-mar-2025: (2 Items). | |||||
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