US$ 15.00
the wide aperture suiting full-class divergence demos and security-mirror analogue investigations
place value
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
For timing physics
and short bonds
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.