Whitley Bay Smoke Cell Kit for Brownian Motion US-Unavailable the drilled aluminum ball gives

the drilled aluminum ball gives a lightweight contrast to steel and brass balls of the same size in pendulum period and momentum-transfer demonstrations

this set covers the mid-range bench volumes with raised graduations and tapered pouring spouts

and thylakoid architecture for photosynthesis and organelle ultrastructure teaching

Six-range AC/DC moving-coil voltmeter at 3/10/30/100/300/500V with a toggle for AC or DC mode

Whitley Bay Smoke Cell Kit for Brownian Motion US-Unavailable the drilled aluminum ball givesVisualizes Brownian motion through a smoke cell, condensing lens, and LED in a molded plastic housing, paired with a compound microscope to watch smoke particles jostle under molecular impacts.