20mm Copper Density Cube with Element Stamp Gifts_Kids Dark-complexion life-size human torso with

Dark-complexion life-size human torso with 13 removable organs including brain

and stainless steel

20 MHz BandwidthDigital Readout with Backlit LCDSharp Trace CRT and Auto focusStable Triggering up to 40 MHzX 10 Magnification20ns max Sweep SpeedAlternate TriggeringGold Plated BNC Connectors

Hand-cranked worm-and-wheel drive with a rotation dial between clear acrylic plates

Used to compare two unknown resistances by null-deflection on a sliding-wire jockey

20mm Copper Density Cube with Element Stamp Gifts_Kids Dark-complexion life-size human torso withElement stamped 20mm solid copper cube marked (Cu) for easy identification, used in density investigation, specific heat, and specific gravity exploration across physics and chemistry.