1. Roman and New York Aqueducts
... the aqueducts could not be far away from the quarries and other necessary materials. The next process was the construction of the aqueduct. A wide variety of materials were needed, including stone, terra cotta pipe, wood, leather, lead and bronze. The most difficult and costly part of constructing an aqueduct was constructing arcades when valleys had to be crossed. Wood was a very ... addition, machinery such as the "goat" and "sheep" was used to lift stones were made out of wood. Limestone and Yellow stone were two very important types of stones that were used. Usually there was a quar...
- Word Count: 5087
- Approx Pages: 20
- Grade Level: High School