8-Piece Balance Weight Set Gifts_Kitchen Eleven-ohm 5A air-cooled rheostat with

Eleven-ohm 5A air-cooled rheostat with constantan winding on a 300x44mm vitreous-enameled steel tube and a slide-bar carriage carrying a phosphor-bronze contact

and tentacle structure for invertebrate teaching

Four-piece polypropylene funnel set pairs 2

this thermistor mounts on a transparent base with 4mm color-coded sockets and a printed circuit diagram for sensor-circuit student work

8-Piece Balance Weight Set Gifts_Kitchen Eleven-ohm 5A air-cooled rheostat withFor beam balance use and chemistry mass measurement coursework, this eight piece weight set bundles precision machined steel shafts spanning 10 to 500 grams on a wooden block.