US$ 175.00
this metal wave helix demonstrates pulse propagation
Hand-cranked to convert mechanical work into electrostatic energy
Built to grip round flasks and condensers during distillation or reflux
Twelve-ball drilled set in a foam-lined plastic case with two each of aluminum
and 100 ppm
Premium Beech Wood Test Tube Rack for 12 Tubes, 28mm Capacity_10mL this metal wave helix demonstratesPolished beech wood test tube rack with twelve vertical holes sized for tubes up to 28 mm diameter, built for classroom and professional laboratory storage.
US$ 175.00
US$ 170.00
US$ 25.65