Original Mainship Sales Brochures
Here is a color brochure detailing the Mainship I, II and the 40.
Check out the 30 footer! Don't know for sure but don't think that ever went into production. Thats not an actual picture in the brochure, and never heard of one out there.
Kind of a big file so it takes a while to load.
Heres is a color brochure detailing the Mainship 34, Type I
Here is a copy of an article about Mainship