A andy Well-known member Joined Sep 10, 2006 Messages 351 Location Boston, MA Jan 4, 2009 #2 Here's another brochure for the Sturtevant system. Like the Spencer, it operated on the multi-stage turbine principle, and was probably the most similar to the Spencer during the time period. This dates from 1925.
Here's another brochure for the Sturtevant system. Like the Spencer, it operated on the multi-stage turbine principle, and was probably the most similar to the Spencer during the time period. This dates from 1925.