Wooden Pipette Rack for 24 Pipettes, Vertical, 16.25" Electricity & Magnetism_Electricity & Circuits with identical volumes across specimens

with identical volumes across specimens for direct mass-density comparison

Low-level peroxide test strips in a 50-strip vial calibrated at 0

Metal spouting cylinder with multiple outlet holes at different heights

Visualizes linear thermal expansion through a fitted metal bar and gauge

Topped with a large conductor sphere and a deflecting needle indicator

Wooden Pipette Rack for 24 Pipettes, Vertical, 16.25" Electricity & Magnetism_Electricity & Circuits with identical volumes across specimensPolished wood pipette rack holds 24 pipettes vertical in a 16. 25 inch frame for draining, drying, and storage between uses at the laboratory bench.