6-Tube Wooden Test Tube Rack with Draining Pins, 9.75" Wide Lab Supplies_Measurement Three-wire setup pairs a 100N

Three-wire setup pairs a 100N spring-balanced string

Holds 50mm-diameter lenses upright on a free-standing wooden base

this brass-plated scale pan measures 107 mm across and 0

Used to read the microampere-scale currents found in photodiode and transistor-bias circuits

this Euro-design measuring jug carries raised graduations with a tapered spout and handle for steady bulk pouring

6-Tube Wooden Test Tube Rack with Draining Pins, 9.75" Wide Lab Supplies_Measurement Three-wire setup pairs a 100NSix slot polished wood rack with integrated draining pins holds 25mm test tubes and supports post wash inversion drying in teaching chemistry labs.