Evaluation of flashing traffic signal operation. Final report.

Texas Department of Transportation, Austin

Aircraft fire control.

pt. 1. The development of Sperry aircraft fire control.--pt. 2. Operation and service instructions.

Report of the comptroller on the operation of the state employees retirement system.

1924/25, 1929/30, 1934/35 include also a report of an investigation of the mortality, service and compensation experience of members.