Leeds & Northrup
Leeds & Northrup (L&N) was an  American electric technology company founded in Philadelphia, Pennsylvania, in 1899. It was formed by Morris E. Leeds and Edwin Fitch Northrup. L&N merged with General Signal in 1978. General Signal divested itself of its L&N unit in 1995 by selling it to Honeywell. References

1899 establishments in Pennsylvania
Technology companies of the United States
Companies established in 1899
Honeywell