Stackable Connecting Lead, Model X Entomology & Zoology_Zoology Charts & Models 5 inches thick

5 inches thick

this motor-generator pairs a split-ring commutator against slip rings with bulb indicators

Hand-cranked cam turning against both a straight follower and a lever follower

letting students measure rotational distance against linear advance to derive the mechanical advantage of the spiral

with identical volumes across specimens for direct mass-density comparison

Stackable Connecting Lead, Model X Entomology & Zoology_Zoology Charts & Models 5 inches thickUsed in high current circuits where exposed plug pins are not acceptable, this 4mm stackable safety lead carries up to 12A through nickel plated split hollow pins on both ends.