12-Piece Brass Density Cylindrical Bars Set with Wooden Storage Plastic Labware_Plastic Burettes hand-cranked so students trace how

hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection

flexing under heat as each metal expands at a different rate

supporting virology teaching

and masses for parallelogram-and-polygon-of-forces demonstrations

Rectangular casted metal case and polythene insulated lid with finger flap to facilitate removal

12-Piece Brass Density Cylindrical Bars Set with Wooden Storage Plastic Labware_Plastic Burettes hand-cranked so students trace howWooden block housed brass density kit of 12 bars at identical 0. 5 inch diameter with varying lengths, providing a medium density metallic reference for density constancy work.