Decade Capacitance Box, 1-10 nF, 63V Metal Labware_Metal Labware Sets the standard frequency for hearing-test

the standard frequency for hearing-test calibration

Hand-cranked Van de Graaff generator with a 9

Blue 300mm 2mm-stackable lead with nickel-plated split-hollow pins

Stabilizer-free Bunsen burner runs on natural gas for routine heating in chemistry and biology classroom laboratories

Adjustable locking hook positions items 110 mm from the support rod on this suspension clamp

Decade Capacitance Box, 1-10 nF, 63V Metal Labware_Metal Labware Sets the standard frequency for hearing-testMid decade capacitance box stepping 1nF to 10nF in 1nF increments at plus or minus 5% on 63V, bridging picofarad and microfarad ranges for RC time constant and oscillator investigations.