Adjustable Insect Spreading Board for up to 12mm Specimens Lab Equipment and Supplies_Plastic Labware Designed to measure Planck's constant

Designed to measure Planck's constant through the photoelectric effect

sized to dust evenly over paper or around a magnet to make field lines visible during introductory magnetism work

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

Needle valve and flame stabilizer add precision control to this nickel-plated micro Bunsen burner running on natural gas for small-flame work

which also mounts to bench edges and boards of equal thickness

Adjustable Insect Spreading Board for up to 12mm Specimens Lab Equipment and Supplies_Plastic Labware Designed to measure Planck's constantBuilt for wing spreading during insect mounting, this adjustable board accommodates specimens for butterfly, moth, and large insect preparation.