Check the listing for details. ALUMINUM SURVEY ENGINEERING TRANSIT TRIPOD 5 Each. Condition: Used. Listed at 80.00 USD. The product is a set of five aluminum survey engineering transit tripods. These tripods are commonly used in surveying and engineering applications for stability and precision when taking measurements. The lightweight and durable construction of aluminum makes them ideal for outdoor use in various terrains. This collectible set would be valuable for anyone interested in vintage surveying equipment or engineering history.