5-Piece Countertop Rocks Specimen Set of Commonly Used Tabletop Stones Lab Equipment and Supplies_Metal Labware Converts rotation into linear reciprocating

Converts rotation into linear reciprocating motion through a crank-slider linkage

holding round-bottom flasks and condensers on standard retort stand rods

this lamp holder provides connection terminals for fast wiring into series and parallel student-built circuits

5 inch length and 10mm diameter from the Density Investigation series

5-Piece Countertop Rocks Specimen Set of Commonly Used Tabletop Stones Lab Equipment and Supplies_Metal Labware Converts rotation into linear reciprocatingFive commonly used countertop stones granite, marble, quartzite, slate, and soapstone ship in a specimen set for tabletop material identification.