The Committee of the Electrical Section of the Franklin Institute of the State of Pennsylvania, to which was re~hrred fbr examination Blodgett Bros, of Boston, Electric Signal Clock, report that they have examined the invention, and find its purpose and construction substantially to be as follows β’
Description of an electric signal clock
β Scribed by D. Aaron; Geo W. Blodgett
- Publisher
- Elsevier Science
- Year
- 1883
- Tongue
- English
- Weight
- 154 KB
- Volume
- 115
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
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