US$ 12.79
and printers to classroom computers
5 inch Alnico horseshoe sits between the 1
this three-dimensional Paramecium sectional model reveals internal structure and ciliate organization for microbiology teaching
3 inches for condensers and flasks
Copper Voltameter engine models and printers to classroom computersThree copper plates suspended in an insulated cover over a glass jar of copper sulfate solution, sized to demonstrate cathodic deposition and the coulometric form of Faraday's first law.
US$ 12.79
US$ 179.80
US$ 11.55