Search using this query type:

Search only these record types:

Advanced Search (Items only)

Browse Items (2 total)

  • Tags: voltage

2019.588e.jpg
A metal plate removed from the Assabet Mill machinery. The metal plate has a General Electric Co. signature along with Patent Dates Feb. 1888, October 1890, November 1893, Feb. 1895, and May 1896.

2019.590e.jpg
A metal plate removed from the Assabet Mill machinery. The plate reads: "Alternating Current Generator". It was first patented in February 1888.