strong1957-3-30 br/ First Rex/strong Mobile Home seen in McMinnville was this 45-foot unit produced at the Mid-States Monrovia, Cailif., plant for demonstration at the Trailer Coach Association show in San francisco early this year. The unit is being inspected, above, by a Chamber of Commerce delegation while on display at the McMinnville Trailer Sales lot on 99W north of the city. The group is being conducted through the trailer by Clifford Elliott, manager of the chamber, to the left of the display sign and Herman Kambeitz, director of purchases in front of the doorway.