Me and my group was given time period of 1820 to 1870, in technological developmental part, we realized that still in vinegar hill houses reflect Italian styles brown stones, iron railings and boot scrapers. We found some signs of ferries paths which were leading to industries as well, some traces of gas lamp and form of electricity  also found. Not only that we also found few transportation development in 1830 by civil and military engineer David Bates Douglas, who introduced traffic sic lanes, one for carts, one for light carriages and third one for pedestrians in two directions. For Civic & Private Organization part we found that the name today Brooklyn used to call “The Government Of Village Of The Brooklyn”. Secondly we found that information they used to capture in Brooklyn library, information like taxes, land record etc.