US$ 129.00
Pair of 12 by 3
sized for weighing
or Meker burners
Combining filtration and titration on one base
5 by 4-inch ventilation apparatus modeling historic mine-gallery airflow and domestic chimney convection through a candle-driven hot-air-rise demonstration
Push/Pull Balance, 250g/2.5N Material_Zinc Pair of 12 by 3Two hundred fifty gram push pull balance in an acrylic tubular body, calibrated to 2. 5 newtons for measuring small forces during spring law and tension force classroom investigations.
US$ 129.00
US$ 27.50
US$ 16.00
US$ 24.00
US$ 18.50
US$ 20.70
US$ 43.00
US$ 79.00
US$ 45.00
US$ 22.00
US$ 52.00
US$ 115.00