Trends in construction and features can be observed amongst the many models of view cameras over the 60 year period that was the heyday of view cameras. Some of these are given below.
1. Dovetails all box joints
2. moldings to hold gg., or brass clips or brads
3. convergence of design
6. front/rear/both focus
7. wooden to canvas case
8. simple to elegant to simple
9. professional to amateur to professional