Date:  24 August 1980 17:52 edt
From:  Greenberg.Multics at MIT-Multics
Subject:  Re: Plumbers Cross?
Sender:  BSG1.SIPB at MIT-Multics
To:  RP at MIT-MC (Richard Pavelle)
cc:  CUBE-LOVERS at MIT-MC
In-Reply-To:  Message of 24 August 1980 16:23 edt from Richard Pavelle

That is Christmans crross, describedin my earlier letter in which
I described Plummers cross.