Lighthouses

(horn sound)

1891.

https://en.wikipedia.org/wiki/History_of_lighthouses

https://www.loc.gov/item/2005691072/

https://www.loc.gov/item/2001695041/

https://www.loc.gov/item/2016794364/

https://www.loc.gov/item/2018649499/

https://www.loc.gov/item/2002708052/

https://www.loc.gov/item/2004707473/

https://www.loc.gov/item/2018649904/

https://www.loc.gov/item/2017774487/

https://www.loc.gov/item/2005684107/

https://www.loc.gov/item/2016794250/