Decade Capacitance Box, 1-10 nF, 63V Metal Labware_Metal Labware Sets supplying the third-color short-reach signal

supplying the third-color short-reach signal line in 4mm bench circuits already using red and black rails

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

Polished beech wood test tube rack with twelve vertical holes sized for tubes up to 28 mm diameter

Fourteen-orbital-shape model set with detailed illustrated instructions

the standard frequency for hearing-test calibration

Decade Capacitance Box, 1-10 nF, 63V Metal Labware_Metal Labware Sets supplying the third-color short-reach signalMid 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.