Moving Coil Voltmeter, Standard Coating_Vinyl and small diffraction objects in

and small diffraction objects in the optical-bench beam path for repeatable interference and diffraction work

5 inches) with one fork carrying an adjustable tuning mass

built to travel between fieldwork sites without damage

Proves horizontal velocity does not affect vertical fall time through a push-button launcher that simultaneously projects one steel ball and releases another

3 glass beakers each holds 1000mL with low-form design and spout for large-volume chemistry and laboratory applications

Moving Coil Voltmeter, Standard Coating_Vinyl and small diffraction objects inEDM 80 moving coil DC voltmeter with a clear acrylic front, plus or minus 2. 5% accuracy, and a 60mm scale, supplying the standard durable instrument for routine student voltage measurements.