Symon's Rain Gauge Graduations_50mL Needle valve and flame stabilizer

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

providing dense uniform spheres for ramp-and-collision experiments where a heavier projectile is needed than the plastic marbles can provide

designed to slot inline with other PH1029-series modules to build a complete student-wired circuit on the lab bench

and three low-friction nylon wheels for straight-line momentum experiments

this EHT supply adds a center-tapped ±2

Symon's Rain Gauge Graduations_50mL Needle valve and flame stabilizerSymon's rain gauge with an iron sheet outer cylinder, brass collar, and overflow catching inner vessel, providing a standard method for cumulative rainfall measurement.