RT 𝐒𝐭𝐞𝐚𝐦𝐩𝐮𝐧𝐤 𝐓𝐞𝐧𝐝𝐞𝐧𝐜𝐢𝐞𝐬 (@Steampunk_T)The Fire Organ, or Georges Frédéric Eugène Kastner Pyrophone, is a 19th-century experimental musical instrument that creates sound through flame-heated air vibrations inside glass or metal tubes. The pitch and volume can be modified by adjusting the flame’s size and intensity, which changes the resonance of the air column.Photo: Edelseider ...