Drilled Steel Pendulum Ball, 3/4" Type_Low Form and stomach demonstrates internal anatomy

and stomach demonstrates internal anatomy and organ relationships for ichthyology teaching

Nylon ball-bearing pulley with a bench-clamp fitting for edge-mounting on a worktable

Autoclavable polypropylene test tube stand holding six 25-mm tubes with six drying pins on the back

crossing over

One hundred numbered slots in a hardwood storage box hold standard microscope slides for ordered reference and classroom slide-library organization

Drilled Steel Pendulum Ball, 3/4" Type_Low Form and stomach demonstrates internal anatomyDrilled 3 4 inch steel ball with an approximately 2. 5mm hole for string suspension, providing a high density bob for pendulum and collision momentum student investigations.