Greek articles
What engineer designed the first coin-operated device for dispensing holy water automatically?
What specific coin was required for activation in Hero’s Greek water dispenser mechanism?
What principles powered Hero’s automated dispenser, contrasting with later vending technology?
What was the primary purpose of Hero’s transactional automation device in the temples?
Which of Hero's known works documents his numerous inventions, including the dispenser?
What mechanical components did later vending machines, appearing in the 1800s, utilize that Hero's device lacked?
Where was Hero of Alexandria's mechanical dispenser specifically installed to function?
Approximately how long did the gap span between Hero’s dispenser and the next documented commercial vending machines?
What factor is suggested as a reason the idea of transactional automation lay dormant for so long?
In England during the early 1800s, what items were dispensed by the first known mechanical vending machines on steamships?
Who is credited with conceptualizing the original device fitting the description of a vending machine in the 1st century AD?
What specific substance was dispensed by Hero of Alexandria's gravity-fed apparatus in temples?
Hero's dispenser operated purely on which two foundational engineering concepts?
What modern engineering concept is cited as an early application demonstrated by Hero's machine regarding input and output?
How did the coin's action in Hero's machine differ fundamentally from early 20th-century machines like Leverett's?
Where was Hero's mechanical dispensing device reportedly deployed during the time of Roman rule?
What core societal need did automating the distribution of consecrated resources using Hero's device help manage in ancient temple economies?
What action was necessary for the water flow to automatically cease in Hero's mechanism?
What specific commercial product was dispensed by Nathaniel J. Leverett's significant vending machine invention around 1902?