While sticking her head out of a giant one of these objects, Signora Zenobia is decapitated in Edgar Allan Poe's story "A Predicament". John C. Taylor designed one of these things at Corpus Christi Co
While sticking her head out of a giant one of these objects, Signora Zenobia is decapitated in Edgar Allan Poe's story "A Predicament". John C. Taylor designed one of these things at Corpus Christi College that features a locust-like sculpture that serves as a very literal version of its grasshopper escapement. A 2010 installation created by Christian Marclay consists of a looped montage of scenes focusing on these objects. A water-based ancient (*)  Greek example of these things is the  klepsydra . John Harrison designed one that allowed the accurate measure of longitude, while Christiaan Huygens invented the first one that made use of a pendulum. For 10 points, name these devices, primitive examples of which include sundials and hourglasses.
While sticking her head out of a giant one of these objects, Signora Zenobia is decapitated in Edgar Allan Poe's story "A Predicament".