This head may not be as old as 1934, it was among a load of stuff that I got, most of it identified as pre-1937.
My head does have a heater connection on the top/front, that has the word "heater" cast around it. The back connection comes out the side of the head, instead of the top, but at least it has them. If I use this head, I'll need something to connect the pre-heat connections on my Edmunds intake.