I have a completely rebuilt 1927 7ft Mason & Hamlin Ampico RBB, both Ampico and Piano having been rebuilt. This is basically a standard BB, but in this case, the "R" stands for "Reproducer". This Ampico is a cross between a late A and a B, with a B drawer, but late A expression. There are also many modern innovations such as Lexan valves, improved pneumatics ,and a finger-less tracker bar patterned after the Welte and Standard Air Pneumatic Tracking systems. It is saving many of my old rolls from a certain death.
In addition to the Ampico, the piano has the first LX system on the market. It also has the Wapin bridge mod, and Isaac Hammers and Bass strings.
New addition- 1903-4 17 /14 inch "Stella" Grand Console Music Box. Restored/tuned. Wonderfully preserved for its age. Original finish. Model 270 library.duke.edu/digitalcollections/eaa_A0549/
Also, an original un-restored 1907 "Reginaphone" Style 140, "Rookwood" finish.