Contribution towards a history of electro-metallurgy

Paperback | February 4, 2012

byHenry Dircks

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1863. Excerpt: ... MR. SPENCER'S CASE. He addressed the following letter to the then Secretary of the Liverpool Polytechnic Society:--copy. "May 9, 1839 "Dear Sir--I wish it to be recorded upon the books of the Society that for the last 9 months I have been making occasional experiments on a method of executing any species of metallic device to any given pattern; and by the same agency have also been making experiments on a method of engraving in relief, both of which have been comparatively successful, and will, in my opinion, ultimately prove useful in the arts. "I shall take an early opportunity of laying my process before the Society, with specimens produced by it. I should not have brought this subject before the Society thus early, but for the following passage, that appeared in last Saturday's Athenceum:--'Prof. Jacobi, at St. Petersburgh, has made a discovery which promises to be of importance to the arts: he has found a method (if we understand our informant rightly) of converting any The slightest attention to this letter will convince the reader how little it justifies Mr. Spencer's statement that in it he "mentioned some of the results of the discovery!" when, in the second paragraph, he says: "I shall take an early opportunity of laying my process before the Society;" that opportunity not occurring until the next September. G line, however fine, into relief by a galvanic process; the Emperor of Russia having placed funds at his disposal, to enable him to perfect his discovery.' "That I have been engaged in this process the time above stated, is known to several gentlemen, who are now members of this Society. "I am, yours respectfully, "T. Spencer. "Rev. T. Dwyer." Nothing further appears on the journals of the Society before the next entry, viz.:--"Thursday, S...

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1863. Excerpt: ... MR. SPENCER'S CASE. He addressed the following letter to the then Secretary of the Liverpool Polytechnic Society:--copy. "May ...

Format:PaperbackDimensions:30 pages, 9.69 × 7.44 × 0.06 inPublished:February 4, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217461670

ISBN - 13:9780217461672

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