As mentioned in another RR anvil thread, a few years ago while filling in a old homestead basement dugout I found a 7 1/2' piece of rail, I had thought of making an RR anvil so this was perfect. After collecting more rust for a couple years I finally utilized a 1.5' to build a double horn anvil for light work. The first picture is were I started.
Attachment 18516
In this picture I have done a rough mark-up for a guide and I made up a face of 1" thick tool steel to add weight and size to the working face.
Attachment 18517
Here I faced off the top surfaces on my mill/drill.
Attachment 18518
The anvil roughed out.
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Here the horns have been refined, ready to heat treat the face and weld it up.
Attachment 18520
All welded up, the welds cleaned up, finished refining the shape and wire brushed the rust, ready for paint
Attachment 18521
All finished, the paint is two coats of high heat Tremclad flat enamel. Here are the finished pictures.
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The anvil has a nice clear ring to it. Should do me well for the light work I intend to do on it. There are more pictures and full build documentation on my site at the address in my signature.