Aluminum Calorimeter Inner Vessel with Parallel Sides, 4 x 3" Lab Supplies_Thermometers Larger brass conductor cone on

Larger brass conductor cone on an insulated rod and base

Erlenmeyer Flask with a 500mL capacity and narrow neck is made of heavy-duty borosilicate 3

Six-range AC/DC moving-coil voltmeter at 3/10/30/100/300/500V with a toggle for AC or DC mode

Labeled-terminal 50-ohm resistance unit at 7

this silk square gives friction rods a strong positive charge for triboelectric and electrostatic demonstrations

Aluminum Calorimeter Inner Vessel with Parallel Sides, 4 x 3" Lab Supplies_Thermometers Larger brass conductor cone onLow mass aluminum inner vessel at 100 by 75mm with parallel sides and rolled rim, its small thermal capacity letting most heat transfer go to the sample during calorimetry work.