Moving on to my latest read, and this is something that I picked up at my recent visit to the Royal Observatory in Greenwich #Goodreads #ReadingChallenge #Bibliophile #Bookworm #CurrentlyReading #Longitude #JohnHarrison #DavaSobel #GMT
#OnThisDay March 24, 1693: English watchmaker John Harrison is born. He was the first to build a successful marine chronometer. He would die on the same day in 1776. #BornToday #JohnHarrison
Dune nell’immaginario di ieri e di oggi

di Gioacchino Toni Paolo Riberi, Giancarlo Genta, I segreti di Dune. Storia, mistica e tecnologia [...]

Carmilla on line
Drawing Khan / John Harrison (Benedict Cumberbatch) - Star Trek: Into Darkness [4K/UHD] - Drakonarus

YouTube
John Harrison (1693-1776) invented an accurate marine chronometer after several decades of research and development. #History #JohnHarrison #Navigation #Time #HistoryFacts https://www.worldhistory.org/article/2197/harrisons-marine-chronometer/
Harrison's Marine Chronometer

John Harrison (1693-1776) invented an accurate marine chronometer after several decades of research and development. While the pendulum clock had already been invented in the 17th century, a clock that...

World History Encyclopedia
Mit 0 Beschleunigung heute unterwegs auf dem Null-Meridian.
Lt Reiseführer war es 1714 der Uhrmacher #johnharrison, der als wissenschaftlicher Laie das Konzept des Null-Meridian entwickelte - und noch so schön klingende Dinge wie die Grashopper-Hemmung erfand. Damals gingen Impulse für den technologischen Fortschritt vom Handwerk aus - noch nicht von privaten oder universitären Forschungseinrichtungen.