US$ 70.00
supporting pregnancy biology and prenatal-care teaching in health courses
this three-dimensional Paramecium sectional model reveals internal structure and ciliate organization for microbiology teaching
Erlenmeyer Flask with a 500mL capacity and narrow neck is made of heavy-duty borosilicate 3
and Kirchhoff's-law combinations
this 4-inch carbon-steel needle pivots on a brass cup bearing for low-friction rotation under the local field
Copper Voltameter engine models supporting pregnancy biology and prenatal-careThree 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$ 70.00
US$ 297.50
US$ 140.00
US$ 297.50
US$ 59.00
US$ 34.95