US$ 17.95
Heavy-duty cork boring machine cuts precision holes through rubber and cork stoppers for fitting laboratory glassware
Engineered to produce a hotter
46mm copper wire on a 9mm soft-iron U-form core
supporting optical components
this classroom Van de Graaff kit demonstrates charge conservation
Replacement Gold Leaves for Electroscope, 6-Pack Physics_Electricity & Magnetism Heavy-duty cork boring machine cutsSix replacement gold leaves cut to fit the standard gold leaf electroscope, supplied in a protective case so spare leaves stay flat and undamaged until installation.
US$ 17.95
US$ 4499.50
US$ 17.95
US$ 17.95
US$ 399.24
US$ 17.95