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| | MACINTOSH, Charles |
 | | During a career as an industrial chemist that began before he was 20 years old, Macintosh manufactured sal ammoniac, prepared lead acetate, invented various fabric dyes, and obtained a patent for an impractical method of converting iron into steel at high temperatures. |
 | | Audio 3:36 min - On July 1, 1969, at Caernarfon Castle in Wales, Prince Charles, the eldest son of Queen Elizabeth II, was invested as the prince of Wales, the traditional. |
 | | On July 1, 1969, at Caernarfon Castle in Wales, Prince Charles, the eldest son of Queen Elizabeth II, was invested as the prince of Wales, the traditional. |
| www.history.com /encyclopedia.do?vendorId=FWNE.fw..ma006000.a (460 words) |
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