where is the museum located?
Paterson, in Passaic County, New Jersey.
Paterson Museum
Paterson Museum is a museum in Paterson, in Passaic County, New Jersey, in the United States. 
who started rogers locomotive and machine works? Thomas Rogers, Morris Ketchum and Jasper Grosvenor. when? 1832 where was this company started? 1856 does the company still exist? No do you know when it closed down? 1920s why did it close down? Stiff competition and an inability to increase its own capacity. did another company take over or merge with them? ALCO purchased it but sold off later, now the building is home of Paterson Museum.
wiki:17714131
Paterson Museum [SEP] Introduction
Paterson Museum is a museum in Paterson, in Passaic County, New Jersey, in the United States. Founded in 1925, it is owned and run by the city of Paterson and its mission is to preserve and display the industrial history of Paterson. It is located in the Old Great Falls Historic District. Since 1982 the museum has been housed in the Thomas Rogers Building on Market Street, the former erecting shop of Rogers Locomotive and Machine Works, a major 19th-century manufacturer of railroad steam locomotives. Prior to 1982 the museum was located in the former carriage house of Nathan Barnert, civic figure and philanthropist.