Public domain. Cover image from Project Gutenberg ebook #67208. The Light Machine auctore Ray Cummings Detrahe .m4b · 25 MB Quomodo audiendum → · Problema cum hac recitatione? Animadversionem mitte → Recitator Walter — American Narrator (en-US) Diuturnitas 25 min Lingua English Additum November 8, 2026 Liber electronicus originalis Project Gutenberg Licentia Public domain Science FictionShorts