Tuft’s Automatic Crystal Fountain: A Magical Tabletop “Geyser” from 1871
Based on a pneumatic principle by physicist Heron of Alexandria in AD 62, the Automatic Crystal Fountain combines beauty with captivating geyser-like fountain using no apparent motive power.
The Music of Coinola “O-Roll” Automatic Instruments
“Listen to a selection of O-Roll music played on the Coinola SO – scroll down, click on any tune or sheet music cover” The history of the development of Coinola machines and the O-Roll format can be found at https://www.rickcrandall.net/a-nickel-for-music-in-the-early-1900s-evolution-of-the-american-orchestrion/...