The full caption of this figure reads “Aneurismal dilatation (arteriovenous aneurism) of branches of coronary arteries in a case of anomalous origin of the left coronary from the… Read the rest “Science Art: Aneurismal dilatation (arteriovenous aneurism)…, 1915.”
IFL Science has a new explanation of “The Great Unconformity,” a worldwide phenomenon in which about a billion years of rock deposits are just missing, everywhere around … Read the rest “A new explanation for the missing billion years in Earth’s geologic record.”
Last month, BBC’s Science Focus reported on an “astonishingly” large dinosaur discovered in the Sahara Desert of Niger — a bus-sized behemoth with a crescent-shaped… Read the rest “School bus-sized spinosaur discovered”
This is a switch for “constant current” electricity to go into a building, a “A modern commercial form of this switch,” is what the book calls it.
The book in question… Read the rest “Science Art: Modern Electrical Construction, Fig. 58, 1905”
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