Koehler Depressing Carriage
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The Koehler Depressing Carriage was a novel type of gun carriage invented in 1782 by Lt George Frederick Koehler of the Royal Artillery. It was devised to enable cannon to be fired at a steeply downwa
Koehler's Depressing Carriage, as depicted by its inventor
Extant example displayed at the Royal Engineers Museum, Kent
The problem that the carriage was designed to overcome: firing from the Rock of Gibraltar down into the Spanish positions below (located at the photographer's viewpoint)
Reconstruction in the Great Siege Tunnels of British gunners using a cannon mounted on a Koehler depressing carriage
Gibraltar pound
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The pound is the currency of Gibraltar. It is pegged to – and exchangeable with – British pound sterling at par value. Coins and banknotes of the Gibraltar pound are issued by the Government of Gibral
One pence coin
Two pound coin