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I found this interesting video (30 mins) .... The Antikythera Cosmos https://vimeo.com/518734183 .... whilst reading this article on the ancient Greek astronomical calculator https://arstechnica.com/science/2021/03/scientists-solve-another-piece-of-the-puzzling-antikythera-mechanism/?comments=1 The ancient device is actually a a Mechanical Earth System since, at that time, it was believed everything revolved around the Earth. I imagine the decice is not new to many of you but the above is news on some recent opinions on how it actually worked. Since the ancient Greeks were believed to not have lathes it is puzzling how the device's concentric tubes may have been made. By the way, there are some magnificent small lathes etc shown in the modern labs in the video. Richard PS: The YouTuber Clickspring has a number of videos on the manufacture of a similar (...the same?) calculator ... https://www.youtube.com/c/Clickspring/videos
Hello all, After a very helpful discussion with several of you here and a very enlightening set of resources provided by @Thanasis, I feel ready to tackle this build that has been haunting me a few years now. It all begins with this image: It's found in a Greek museum of engravings (Benaki museum) and according to it's inscription it depicts a galliot from Psara. It is engraved by Lykourgos Kogevinas, a famous Greek engraver in 1938, but is based on a painting by a Lt E. W. Churchill made in 1827. We can assume the Lt served in the British Royal Navy at the time in the Mediterranean and saw the pirate ship first hand. Now Psara is a small island in the Aegean sea, with a very long nautical tradition. Psarians were very active at sea during the Greek revolutionary war and the island is known for the Psara massacre, performed by the Ottoman army in retaliation for blowing up the ship of a Turkish Admiral. According to the Scottish historian George Finlay, the population of the island was about 7000 before the massacre, but it never rose above 1000 afterwards. The Psarians used galliots, usually of more than 32 oars, as warships and in piracy. They provided a number of such galliots to the fleet of Admiral Alexei Grigoryevich Orlov during the Russo-Turkish War of 1768–74, when the Ottoman fleet was destroyed at the Battle of Chesma. According to Russian sources of the time the galliots were very effective reconnaissance, assault and liaison ships. More to follow soon. George
Hiya Folks, Just read the log guidelines and just opening my log. Hope I've complied with the forum rules. Received my model today via UPS. Only my second build and first on here in front of an audience!!! Hope it goes well. Hoping to have it completed in a couple of months - work permitting. However setting deadlines is probably the worst thing I can possibly do. Deep breaths ... Next step gonna complete an inventory on the parts/materials and instructions and give first impressions later or tomorrow. Thanks Sean
This thread is for shortcuts to programmes of interest Please drop a shortcut to a programme and the title of the programme to which it refers The first one is The Ghosts of the Mary Rose http://www.youtube.com/watch?v=nCmuMQLBoog Battle Stations - H.M.S. Victory http://www.youtube.com/watch?v=ZRXgMcyWcFU