For oil lighter than water. Consists of a round bottom boiling flask, a Clevenger-type volatile oil trap and a cold finger condenser. Trap is graduated to 5 ml in 0.1 ml subdivisions above a #2 stopcock. The trap has a 24/40 inner joint to fit 250 ml flasks, and a top opening to accept a cold finger condenser, either bulb type or 24/40.