Symon's Rain Gauge Graduations_50mL 5% ±1 digit accuracy across

5% ±1 digit accuracy across a 200mV to 1000V DC range distinguishes this handheld meter

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

87-inch focal length

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

Symon's Rain Gauge Graduations_50mL 5% ±1 digit accuracy acrossSymon's rain gauge with an iron sheet outer cylinder, brass collar, and overflow catching inner vessel, providing a standard method for cumulative rainfall measurement.