Gabriel shocks

Unknown

I was told by Apple hydraulics that Hudson used Gabriel triple hydraulic shocks in the early thirties. This is a rotary type shock and I'm looking for a set of four. I would appreciate any information or leads on these shocks. I'm building a 1930 Oakland Indy racer and the original car builder was Ira Vail, a big Hudson fan. I've been told thats why he used Gabriels. Thanks for your help. johna