Economy Graphite Crystal Model Set Item Type_Dissection Pins 5-ohm reference coil non-inductively wound

5-ohm reference coil non-inductively wound from constantan on a 43mm ABS-supported bobbin with three 4mm sockets

Plastic-molded base on this 2

Beaker-themed beer pong set includes 12 polypropylene 500mL beakers and 2 pong balls for chemistry-themed party gameplay

this digital laboratory timer provides accurate countdown and count-up readouts in classroom and stockroom settings

Economy Graphite Crystal Model Set Item Type_Dissection Pins 5-ohm reference coil non-inductively woundEconomy format graphite crystal model showing the layered hexagonal structure and the weak interlayer bonds responsible for graphite's slippery, lubricating properties.