- publication date
- 1849-04-14
- first line
- After the very minute and elaborate paper by Arago, to say nothing of the summary in ‘Silliman’s Journal,’ with the detailed statement just published by Lieutenant Maury, it will not be supposed, of course, that in offering a few hurried remarks in reference to Von Kempelen’s discovery, I have any design to look at the subject in a scientific point of view.
- last line
- In Europe, as yet, the most noticeable results have been a rise of two hundred percent in the price of lead, and nearly twenty-five percent that of silver.
- title
- Von Kempelen and His Discovery
