Wooden Test Tube Stand, Standard Glass Sets & Apparatus_Other Glass Apparatus 6 inch shaft for chemistry

6 inch shaft for chemistry apparatus connections

this analog DC ammeter at 0

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

letting students measure rotational distance against linear advance to derive the mechanical advantage of the spiral

Zinc alloy right-angle boss head with non-toxic powder coating joins rods up to 16mm at 90 degrees

Wooden Test Tube Stand, Standard Glass Sets & Apparatus_Other Glass Apparatus 6 inch shaft for chemistryClip together wooden test tube stand with two 30 mm and four 20 mm holes, assembling quickly for classroom chemistry storage and disassembling flat for easy cleaning.