US$ 105.00
and three low-friction nylon wheels for straight-line momentum experiments
screen carrier
Two variable 0 to 6V DC outputs paired with two fixed 6V/10W and 12V/20W AC outputs on this power supply controller
delivering wheel-driven power to a lamp or a Newton color disc
5-Metal Equal Mass Cylinders Set, Lead-Free (Zinc, Copper, Aluminum, Tin, Brass) Type_Low Form and three low-friction nylon wheelsLead free five cylinder equal mass set at 30g each in zinc, copper, aluminum, tin, and brass, offered as a safer substitute for the lead containing PH0112FCB set.
US$ 105.00
US$ 169.95
US$ 190.00
US$ 135.95