6-Hole Premium Wooden Test Tube Rack with Pins, 9.4", for 25mm Tubes Category_Lab Equipment Spanning C (256 Hz) through

Spanning C (256 Hz) through C (512 Hz) in scientific pitch

75 x 2 inch chrome-steel horseshoe puts a stronger gap field on offer than the 4-inch model

Variety pack to help with experiment of contrasting resistances and temperature

Metal spouting cylinder with multiple outlet holes at different heights

and 38mm lens holder - an inexpensive starter platform for image-formation experiments

6-Hole Premium Wooden Test Tube Rack with Pins, 9.4", for 25mm Tubes Category_Lab Equipment Spanning C (256 Hz) throughHand crafted hardwood test tube rack with six 25 mm holes and six drying pins on a single tier, sized at 9. 4 inches long for chemistry and microbiology classroom stations.