0-10V Moving Coil Voltmeter Subcategory_Alternative Energy sized to protect a pair

sized to protect a pair of 50mm (2-inch) bar magnets between lessons and isolate them from steel benchtops

letting students measure rotational distance against linear advance to derive the mechanical advantage of the spiral

spanning cell voltages up through high-tension supply outputs

Aluminum-cased 4-inch plotting compass with a glass face

Comprehensive seven-piece acrylic blocks set at 25mm thickness

0-10V Moving Coil Voltmeter Subcategory_Alternative Energy sized to protect a pairTen volt moving coil DC voltmeter at plus or minus 2. 5% accuracy with a 60mm scale and clear acrylic front, sized to read mid stack battery voltages between the 5V and 15V meters in the line.