Steam pressured espresso makers
like this one were made in all European countries from the 1930s to the 1980s. They came with 1 to 6 spouts. Also, Vulcan is a fairly common name for appliances and includes at least one US manufacturer of percolators and other kitchen stuff.
There are a few collectors of old coffee gear here, and you can post a picture and more info to help them identify the machine; or you can try collectors' forums, where there are experts on old kitchen appliances of all sorts.