When did we begin using metal mesh platforms?

score:11

Steel grating for platform use was first developed and produced by Walter Irving at the beginning of the 20th century. It was first used for ventilation of New York's stiflingly hot subway system, but his company, Irving Subway Grating, quickly marketed it for a range of other uses including bridge decking and catwalks. Aluminum grates (which might be what's shown in the picture) came later.

Bryce 5877

📝 Were Confederate pikes just a curious item to laugh at?
📝 How many ships did the fleet of the Vereenigde Oostindische Compagnie (VOC) possess at its peak (around 1670)?
📝 Germany's "Economic Miracle"
📝 Riveted mail - flat or round rings? Die cut rings mixed with riveted ones?
📝 Did cows in Medieval times have calves in spring or all year round?
📝 Did American Indians disrupt railroads in their regions?
📝 1900s Vacation between Germany and America
📝 When did we stop diluting wine?
📝 Which German cities does this article in The Economist allege that Britain destroyed?
📝 Was Hagia Sophia built over a pagan temple?
📝 What was American anti-tank doctrine during WWII on paper, and how did it differ from in practice?
📝 When did India become a major trading center?
📝 Good Introductory World History book?
📝 How far would the average Silk Road caravan travel during the early reign of Justinian?
📝 What were the most common reasons why draft-age men were not conscripted for the Union Army?
📝 Where did Carlson's Raiders get Boys anti-tank rifles in 1942 and why?
📝 Was the US Navy larger in 1917, and if so, why?
📝 What did Tacitus write about Nero and the Great Fire of Rome 64AD?
📝 Was it ever possible to see students with burka/paranji having education at the schools and universities of the Uzbek Soviet Republic?
📝 How much did Pan Am tickets to the moon cost?
📝 Did a German Jew in the US Army save his home district from bombing?
📝 Jerusalem 1187: How did ethnicity impact Saladin's army?
📝 How were soldiers positioned on a platoon-sized amphibious landing craft in WWII?
📝 When the United States Congress passes an amendment, how are its votes counted?
📝 Has the UK ever used the Diplomatic and Consular Premises Act 1987 to enter an embassy without approval?
📝 Why did Americans stop calling the Olympic basketball team the "Dream Team"?
📝 Why didn't Native Americans have big sailing ships?
📝 Help me understand a sentence about one particular episode of History quoted from a Conan Doyle Essay
📝 How aware were the latter Greek-speaking Romans (ERE: Byzantines) of the early history of Rome?
📝 Do we have any records of what pirates during the golden age of piracy would actually sing?

Source: stackoverflow.com

Travel Tips

When did we begin using metal mesh platforms?

More post

Search Posts

Related post