File:Speaking machine - consists of organ-pipes, generating sound similar to vowels - Wien Modern 2007 (2007-11-18 18.48.17 by tea610).jpg
Jump to navigation
Jump to search
Speaking_machine_-_consists_of_organ-pipes,_generating_sound_similar_to_vowels_-_Wien_Modern_2007_(2007-11-18_18.48.17_by_tea610).jpg (288 × 352 pixels, file size: 20 KB, MIME type: image/jpeg)