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Input: A long-lost piece of electrical wire from  Thomas Edison’s  first underground cable for electric lighting is up for sale.
 Edison’s  own home in Menlo Park  a section of  Edison   New Jersey  was among the homes lit in the November 1880 electrical lighting test.
“Because of this test  Edison  was able to put lights up in New York; because of that   it  went worldwide ” he added.
The wire was saved by F.A. Wardlaw  a long-time  Edison  lab aide who was present on the night of the test. In 1933  Wardlaw dug up the wire and sent it to Paul Kruesi  the son of  Edison ’s chief machinist  who grew up with the inventor in Menlo Park. A handwritten note from Wardlaw is attached to the piece of electrical wire.
“Perhaps you would like a piece of the original conductor used by  Edison  at Menlo Park at the now historic demonstra­tion of the Edison System of Incandescent Electric Lighting in 1880  so am sending you one ” Wardlaw wrote in a Oct. 4  1933 letter accompanying the artifact and note. “I dug it out of the bank on the east side of Christie St  Menlo Park  directly opposite your old home  last Friday. It was the first underground cable ever used for electric lighting and appears pretty good yet after being buried for 53 years.”

Thomas Edison discovery: Electrical wire from historic home lighting demo on sale for $120 000