US$ 21.95
creating open or closed water-head systems for potential-to-kinetic energy studies
Extended-range rheostat at 12 ohms and 4A on a 200x44mm tube with constantan winding
this Wimshurst generator builds a visible high-voltage spark
forced oscillation
letting students quantify how color and finish influence heat uptake during radiation experiments
Reading Magnifier, 60mm, 20cm Focal Length Material_Acrylic creating open or closed water-headChrome plated 60mm reading magnifier extending to a 20cm focal length, the longer focal distance lowering magnification but broadening the visible area on a single page.
US$ 21.95
US$ 100.00
US$ 29.95
US$ 148.00
US$ 44.95
US$ 899.50
US$ 59.99