US$ 115.50
Heavy 150 x 25 x 15mm Alnico U-shape with clearly marked poles and a keeper bar
Flat form case with large easily read scale in Metric and Newton range
general-purpose magnification for lab
this insulated 4mm-stackable safety lead carries up to 12A through nickel-plated split-hollow pins for branched-circuit student work
Round Bug Viewer with 4X Magnifier Lid Waves & Oscillation_Sound & Resonance Heavy 150 x 25 xClear magnifier lid on this round viewer captures and enlarges small insects or specimens for elementary and middle school entomology observation.
US$ 115.50
US$ 17.98
US$ 136.50
US$ 234.50
US$ 14.95
US$ 385.75
US$ 136.50
US$ 136.50
US$ 34.50
US$ 18.95