H-Type Potometer with Glass Reservoir and Graduated Capillary Tube, 14 inch Material_Steel Copper-block plug key switch with

Copper-block plug key switch with two 4mm terminals and a removable plastic-guarded plug

Caster-mounted heavy-duty skeleton stand with a cast iron base

allowing this tangent galvanometer to convert deflection angle into an absolute current reading

Aluminum S-shape test tube stand designed for chemistry and biology benches

Two-ohm metal-film resistance unit at plus-or-minus 1% accuracy with a 1

H-Type Potometer with Glass Reservoir and Graduated Capillary Tube, 14 inch Material_Steel Copper-block plug key switch withH type potometer features a 6 inch glass reservoir tube and graduated capillary for measuring plant water uptake and transpiration rates in botany studies.