This had a profound impact. The amount of steel needed to build suspension bridges could be hundreds of tons less than required by previous design practice. Less steel greatly reduced the cost of a bridge. By the late 1920s and into the 1930s great long-span suspension bridges were being built across the country.
Waltham, Massachusetts. Waltham (/ËwÉËlËÎ¸Ã¦m/) is a city in Middlesex County, Massachusetts, United States, and was an early center for the labor movement as well as a major contributor to the American Industrial Revolution.
Cemetery notes and/or description: Waltham Abbey is a market town in the south west of the county of Essex, in the East of England region. It is about 24 km north of London on the Greenwich Meridian. It takes its name from Waltham Abbey, which was prominent in the early history of the town.