Ravenscrag is the name of several ships, some being sailing vessels and some steamships. One of the sailing vessels is historically significant for bringing to the Hawaiian Islands in 1879 Portuguese immigrants who subsequently introduced the ukulele to island culture.
Sketch of the Ravenscrag from an 1898 newspaper
The ukulele, also called a uke, is a member of the lute family of instruments of Portuguese origin and popularized in Hawaii. It generally employs four nylon strings.
Martin 3K Ukulele
1916 cartoon by Louis M. Glackens satirizing the contemporary ukulele craze.
Boy in Hawaii wearing lei and holding a Maccaferri "Islander" plastic ukulele
A modern red ukulele