4" Cast Iron Closed Ring Support Type_Celestial One-meter single-wire potentiometer with 24

One-meter single-wire potentiometer with 24 SWG constantan wire stretched along a millimeter scale

the standard low-end Ohm's-law value used in current-limiting and voltage-divider work

Steam-sterilizable polypropylene pipette rack holds 12 pipettes horizontally for bench storage and autoclaving in molecular biology laboratories

designed for classroom identification drills and examination preparation

storing and transporting tubes between workstations and the sterilizer

4" Cast Iron Closed Ring Support Type_Celestial One-meter single-wire potentiometer with 24Rugged cast iron closed support ring with an integral screw clamp, combining a 4 inch inner diameter and a rod grip from 5 16 to 5 8 inch for holding wire gauze and vessels over heat.