Honsvang, Province of Baya, 13 Muharram,


1538 AH (24 October, 2113)

While Hamilton groaned under Petra's ministrations, Matheson's body worked under the guidance of Doctor Richter. The entire apparatus looked something less than professional. Above, on a small table, rested a drip bottle containing ferric ferrocyanide, or Prussian blue dye. This was nontoxic. From the bottle a tube led into the stainless steel pressure cooker, through a hole Bernie had hand cut and then sealed. Exactly beneath the hole, a burner projected, located so that the drip from the tube would drop Prussian blue right onto the flame. The burner had its own oxygen supply, fed in before combustion took place, from a medical bottle.


Another tube led from the top of the stainless steel vessel to a stoppered glass beaker. The tube extended nearly to the bottom of the beaker. Above the level of the end of that tube was the lye he'd obtained at the bakery. A tube above the level of the lye led out through the stopper and to another beaker containing a slurry of charcoal and water. A further tube from that last beaker led to a just- slightly-opened window.


Matheson lit the burner and started the Prussian blue drip.


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