Cork Borer Set, 7-Piece, Nickel-Plated Brass with Ram Rod Biology the wide aperture suiting full-class

the wide aperture suiting full-class divergence demos and security-mirror analogue investigations

One-inch brass ball that threads onto a pendulum string as a heavier metal counterpart to aluminum or steel balls in mass-dependent periodic-motion investigations

applied force

this resistor module on a demonstration base with 4mm plug connections drops into series with bulbs and LEDs in student circuits

Cork Borer Set, 7-Piece, Nickel-Plated Brass with Ram Rod Biology the wide aperture suiting full-classNested through six graduated diameters and supplied with a steel ram rod, this nickel plated brass cork borer set cuts clean holes in cork, rubber stoppers, and agar plates.