File:Wiki cup whistle.jpg

DescriptionWiki cup whistle.jpg English: diagram of Steam locomotive whistle Date 1920 Source From 1920 book Author unknown

Creative Commons Attribution-Share Alike 4.0 truetrue English Pig ’N’ Whistle West End, Queensland object of statement has role: photographer author

recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:(Catalogue_of)_Best,_Fox_%26_co.,_brass_founders,_iron_pipe_fitters_and_machinsts_

recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:The_itinerant;_or,_Memoirs_of_an_actor_(IA_itinerantormemoi06ryleiala)

recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:The_Pinafore_picture_book-_the_story_of_H.M.S._Pinafore_(IA_pinaforepictureb0gilbe)