US$ 27.99
giving students a continuously variable aperture for diffraction and spectroscopy work
exposing the longitudinal and transverse components of wave motion mechanically
Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements
Truncated-cone stainless-steel coil 18cm long with brass wire windings and a 9-9
the medium-strength option for classroom investigations into magnetic poles and field-line geometry
Small Air-Core Solenoid Subcategory_Kinematics giving students a continuously variableTightly wound 700 turn copper coil on a small air core former, rated 1. 6A continuous and 5A intermittent for short duration high field induction and Lenz law investigations.
US$ 27.99
US$ 17.95
US$ 62.99
US$ 17.95