0-10V Moving Coil Voltmeter Subcategory_Alternative Energy Aluminum-cased 4-inch plotting compass with

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

spanning cell voltages up through high-tension supply outputs

and specific-heat comparisons

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

this 75mm metal-framed apparatus demonstrates thin-film interference and the wave nature of light

0-10V Moving Coil Voltmeter Subcategory_Alternative Energy Aluminum-cased 4-inch plotting compass withTen 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.