How to succeed as an inventor : showing the wonderful possibilities in the field of invention : the dangers to be avoided : the inventions needed : how to perfect and develop new ideas to the money making stage
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Main Author: | |
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Format: | Book |
Language: | English |
Published: |
Philadelphia :
Inventors and Investors Corp.,
1909.
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Call Number: |
Wf* .996 v.9 |
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Copy 1 | Available |