This is one of the most exciting post I've made in a while. My friend the Tube Hoarder purchased this wonderful Stephens historical document. I have not seen this on the electric internet anywhere.
I would like to do my friend the Tube Hoarder a favor. We are looking for a very large Stephens 10 cell horn. If you have one please comment or send me an email. The example is image 11 in this post.
If anyone has this horn please contact me.