John Philip Holland: aireagóir an fhomhuireáin nua-aoisigh

अपनी भाषा में प्लॉट जोड़ेंJohn Philip Holland, recognised world-wide as the inventor of the first functioning submarine (built in the US in the 1890s), has largely been forgotten in his own country. His first submari... सभी पढ़ेंJohn Philip Holland, recognised world-wide as the inventor of the first functioning submarine (built in the US in the 1890s), has largely been forgotten in his own country. His first submarines were financed by the IRB - by Irish revolutionaries like John Devoy and Jeremiah O'Don... सभी पढ़ेंJohn Philip Holland, recognised world-wide as the inventor of the first functioning submarine (built in the US in the 1890s), has largely been forgotten in his own country. His first submarines were financed by the IRB - by Irish revolutionaries like John Devoy and Jeremiah O'Donovan Rossa - in the early 1880s, yet less than twenty years later he designed what became ... सभी पढ़ें