With all of the attention on pre-war machines tonight I thought I'd go ahead and post my oldest piece of vacuum paperwork, an 1910s Hoover manual. If you think you have seen it before, your probably have as the long dead thread #1928 was dedicated to it.
So here is the entire thing. I will also comment on things that should be noticed.

So here is the entire thing. I will also comment on things that should be noticed.
