Wooden Pipette Rack for 12 Pipettes, Horizontal, 8.75" Pack Size_8 Manually-operated seismograph model that traces

Manually-operated seismograph model that traces shock waves onto a pulled paper strip

Hook-topped for easy suspension

Graphite lattice kit whose atoms and connecting rods assemble into planar carbon sheets

Dial-gauge expansion apparatus with three interchangeable metal rods for heating and measuring the small length change each metal undergoes

Small 4-inch solar cell on a 4mm-terminal panel

Wooden Pipette Rack for 12 Pipettes, Horizontal, 8.75" Pack Size_8 Manually-operated seismograph model that tracesPolished wood pipette rack holds 12 pipettes horizontally in an 8. 75 inch frame for bench storage between uses in teaching chemistry and biology labs.