Question: Where is the electric chair "Old Smokey" which was used to execute the notorious murderer Richard Hauptmann now on display? 

Context paragraphs:
Richard Hauptmann: Bruno Richard Hauptmann (November 26, 1899 – April 3, 1936) was a German-born carpenter who was convicted of the abduction and murder of the 20-month-old son of aviator Charles Lindbergh and his wife Anne Morrow Lindbergh.  The Lindbergh kidnapping became known as "The Crime of the Century".  Hauptmann proclaimed his innocence to the end, but he was convicted of first degree murder and executed in 1936 in the electric chair at the New Jersey State Prison.

James Neil Tucker: James Neil Tucker (January 12, 1957 – May 28, 2004) was a convicted murderer executed by the U.S. state of South Carolina by means of the electric chair.  The electric chair would not be used again in the United States until July 20, 2006, in the state of Virginia.  He had been convicted of the murders of Rosa Lee Dolly Oakley and Shannon Lynn Mellon.

Old Smokey: Old Smokey is a euphemistic name given to the state prison electric chair in New Jersey, which is on display at the New Jersey State Police Museum.  The chair's most notorious victim was Richard Hauptmann, the man executed in the chair after being found guilty of abducting and killing Charles Augustus Lindbergh, Jr. in 1932, the 20-month-old son of famous aviators Charles Lindbergh and Anne Morrow Lindbergh "(see Lindbergh kidnapping)".

James Earl Reed: James Earl Reed (26 November 1958 – 20 June 2008) was a convicted murderer put to death in the state of South Carolina by electrocution in Old Sparky, the name of the state's electric chair.  As of 2013 Reed's execution was the last use of the electric chair outside the Commonwealth of Virginia.

Richard Burgess (murderer): Richard S. Burgess (14 February 1829 – 5 October 1866) was a notorious murderer known for the "Maungatapu murders" which occurred on the Maungatapu track, south-east of Nelson, New Zealand.

Joseph Ernst: Joseph R. Ernst (d. July 31, 1962) was a convicted murderer who was executed at the New Jersey State Prison electric chair on July 31, 1962.  He was the 159th convict to be executed in the New Jersey electric chair since 1907.

Big Electric Chair: Created in 1967, the Stockholm Big Electric Chair is part of a series of works by Andy Warhol depicting an electric chair.  Death by electrocution was a controversial subject in New York City, where the artist lived and worked, especially after the last two executions at Sing Sing Correctional Facility in 1963.  Warhol obtained a photograph of the empty execution chamber, which became the basis for this series.

Carlos Frederick MacDonald: Carlos Frederick MacDonald, M.D. (August 29, 1845 – May 29, 1926) was a psychiatrist, and the chairman of the New York State Commission in Lunacy from 1880 to 1896.  He was involved in the design of the first electric chair and examined Leon F. Czolgosz, pronouncing him sane enough to be executed in the electric chair after the assassination of President William McKinley in 1901.  He was President of the American Psychiatric Association from 1913 to 1914.  He was an expert witness at the trials of Harry Thaw and Harrison W. Noel.

Old Sparky: Old Sparky is the nickname of the electric chairs in Arkansas, Connecticut, Florida, Georgia, Illinois, Kentucky, Nebraska, New York, Ohio, Oklahoma, South Carolina, Texas, Virginia, and West Virginia.  Old Smokey was the nickname of the electric chairs used in New Jersey, Pennsylvania, and Tennessee.

Edwin Davis (executioner): Edwin F. Davis (May 28, 1846 – May 26, 1923), of Corning, Steuben County, New York was the first "state electrician" (executioner) for the State of New York.  In 1890, Davis finalized many features of the first electric chair used.  Davis performed 240 executions between 1890 and 1914, including the first person to be executed by electric chair, William Kemmler, and the first woman Martha M. Place, as well as the assassin of William McKinley, Leon Frank Czolgosz.

Supporting paragraphs: Old Smokey Richard Hauptmann
Answer: New Jersey State Police Museum