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Wooden Frame Abacus, 2 Steel Wires Entomology & Zoology_Zoology Models Triple-range moving-coil DC voltmeter at

Wooden Frame Abacus, 2 Steel Wires Entomology & Zoology_Zoology Models Triple-range moving-coil DC voltmeter atWooden framed abacus with two steel wires of 20 beads each on a 13. 5 by 5 inch base, a beginner level counting tool for preschool and early elementary number introduction.

SKU: 31998575740 · From www.marsberger-treibhaus.de

4.5
USD29.41 USD66.41

Pay in 4 interest-free payments of $7.35 Learn more

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  • USA
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

Description

Triple-range moving-coil DC voltmeter at 0-3V

sized for a complete length-versus-strength comparison study using one consistent material

letting students compare four densities by mass alone while the volume is held constant across the set

packed in a plastic transport and storage case

Wooden Frame Abacus, 2 Steel Wires Entomology & Zoology_Zoology Models Triple-range moving-coil DC voltmeter atWooden framed abacus with two steel wires of 20 beads each on a 13. 5 by 5 inch base, a beginner level counting tool for preschool and early elementary number introduction.

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