00753nam a2200181Ia 4500 20260914083118.0 260914s9999 xx 000 0 und d 0-7554-3408-0 eng 923. FREDERICK, Robert 100 Great Inventors Robert Frederick 2005 45 hlm. 29 cm Ever wondered how our life would be without electric bulbs, fans and radios? Can you imagine a world without televisions sets and computers? How did people beat the heat without air conditioners and travel without cars? Read more about their fascinating lives and intersting stories that led to the incredible inventions listed in this book. 0 Grade 7-9 199011 199011 0 0 0 1 023 REF 2007-08-23 49000.00 0 923. FRE o 0230700405 2026-09-14 08:31:18 2026-09-14 REF 0 0 0 1 023 REF 2007-08-23 49000.00 0 923. FRE o 0230790487 2026-09-14 08:31:18 2026-09-14 REF