Great modern inventions
Throughout the nineteenth century, inventors produced simple electric lights. For example, Joseph Swan produced a simple electric light, but, he struggled to maintain a power source and the filament soon burned out when the vacuum was exhausted. It was Thomas Edison who made the lightbulb into a pr...
সংরক্ষণ করুন:
| প্রধান লেখক: | |
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| বিন্যাস: | গ্রন্থ |
| ভাষা: | Undetermined |
| প্রকাশিত: |
New York
Chambers
1991
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| বিষয়গুলি: | |
| ট্যাগগুলো: |
ট্যাগ যুক্ত করুন
কোনো ট্যাগ নেই, প্রথমজন হিসাবে ট্যাগ করুন!
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
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