Amelia Soth Amelia Soth, JSTOR The Past In medieval Ireland, ships sailed across the sky It's a bird! It's a plane! It's a medieval airship! The Past Incense clocks: How to measure time with fire and smoke These clocks burn powdered incense along a pre-measured paths, each representing a different amount of time.
The Past In medieval Ireland, ships sailed across the sky It's a bird! It's a plane! It's a medieval airship!
The Past Incense clocks: How to measure time with fire and smoke These clocks burn powdered incense along a pre-measured paths, each representing a different amount of time.