Editing Lick Observatory (section)

==Time-signal service==
In 1886, Lick Observatory began supplying Railroad [[Standard time#North America|Standard Time]] to the Southern Pacific Railroad, and to other businesses, over [[Telegraphy|telegraph]] lines. The signal was generated by a [[clock]] manufactured by [[E. Howard & Co.]] specifically for the Observatory, and which included an electric apparatus for transmitting the time signal over telegraph lines. While most of the nation's railroads received their time signal from the [[United States Naval Observatory|U.S. Naval Observatory]] time signal via [[Western Union]]'s telegraph lines, the Lick Observatory time signal was used by railroads from the West Coast all the way to Colorado.<ref>{{Cite book|url=https://archive.org/details/handbookoflickob00holdrich|title=Hand-book of the Lick Observatory of the University of California|last=Holden|first=Edward Singleton|date=1888|publisher=San Francisco : The Bancroft Company|others=University of California Libraries|pages=[https://archive.org/details/handbookoflickob00holdrich/page/99 99]}}</ref>