1) Fractionating Columns, Vigrex.

2) Fractionating Columns, Dufton.

3) Fractionating Columns, Pear Bulb.

4) Fractionating Columns, Plain designed for use with various types of columns packing

5) Packing Support for Large Columns, Tubes fused in the Other Tube, Length Approx.

6) Fractionating Columns, Rod and Disk Pattern.

7) Fractionating Columns, Pear Shaped Buibs.