Count on this classic wooden "calculator" for years of play and learning! The solid hardwood base and frame holds 10 thick coated wires with 10 colorful wooden beads on each -- 100 beads in all. Slide the beads for a visual and hands-on way to learn numbers and math concepts and to explore patterns and colors. Fun activity ideas included! This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-055-4569, indicating validated use in U.S.
government and defense logistics supply chains.
| phase | THREE |
| material | STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED |
| current_type | AC |
| inside_depth | 72.000 INCHES NOMINAL IN |
| inside_width | 72.000 INCHES NOMINAL IN |
| inside_height | 72.000 INCHES NOMINAL IN |
| heating_method | ELECTRICAL |
| voltage_rating | 220.0 VOLTS NOMINAL |
| frequency_rating | 60.0 HERTZ NOMINAL |
| supplementary_features | DESIGNED TO MAINTAIN ANY DESIRED RH BETWEEN 20 AND 95 PCT WITHIN THE TEMP RANGE 35 TO 170 DEG F DEGF |
| environmental_chamber_type | HUMIDITY |
| NSN | 6625-00-055-4569 |
| MATERIAL | COPPER ALLOY |
| SURFACE TREATMENT | NICKEL |
| MATERIAL | COPPER ALLOY |
| SURFACE TREATMENT | NICKEL |