Digital Multimeter, Model M-830D, 200mV-1000V Gifts_Home providing a high-density bob for

providing a high-density bob for pendulum and collision-momentum student investigations

Extreme 300x enlargement resolves fine structures including capillary beds and nerve endings in a detailed skin cross section for histology and dermatology teaching

Two-position copper plug key switch with 4mm terminals and two removable plugs

teaching electromagnetism

Borosilicate glass equilibrium-tube apparatus with four connected shapes — straight

Digital Multimeter, Model M-830D, 200mV-1000V Gifts_Home providing a high-density bob forReads DC voltage from 200mV to 1000V at 0. 5% 2 digit accuracy on a 3 1 2 digit LCD, shipping with test leads, battery, and instructions for general electronics diagnostics.