- Civil engineers and inventors of the original turbine water wheel types.
- 10
- 11
- 12
- 13
- 7
- 8
- 9
- American Society of Civil Engineers. Transactions paper No. 1503.
- Brad's old Woodward CSSA propeller engine governor on the train layout.
- Brad's vintage machine shop manufacturing history project.
- Large gas turbine jet engine and fuel control history project.
- Page 1238.
- Page 1242.
- Page 1355.