US$ 69.00
the wider working face giving longer beam paths for clear refraction-angle measurements
electromagnet coil
Demonstrates the basic principle of a galvanic cell — voltage generated when two dissimilar metals are dipped into an electrolyte — for an introductory look at battery operation
US-milled iron filings at 40-60 mesh in a 250-gram translucent screw-cap bottle
Glacial Landscape Teaching Model Lab Supplies_Tubes & Vials the wider working face givingBefore and after glacial landscape model on a 75 by 100 cm wall mountable backboard, depicting moraines, U shaped valleys, and eroded slopes with each feature labeled.
US$ 69.00
US$ 41.35
US$ 19.95
US$ 34.65
US$ 79.70
US$ 125.45
US$ 64.05
US$ 63.40
US$ 41.55