 | 1839 - 512 pagine
...it appears that Professor Jacobi, at St. Petersburgh, has also made a discovery which promises to be of little less importance to the arts. He has found...however fine, engraved on copper, into a relief, by a galvanic process. The Emperor of Russia has placed at the Professor's disposal, funds to enable him... | |
 | 1839 - 508 pagine
...appear* that Professor Jacobi, at St. Petersburg!!, has also made a dis . covery which promises to be of little less Importance to the arts. He has found...line, however fine, engraved on copper, Into a relief, byu galvanic process. The Emperor of Ru« • sia has placed at the Professor's disposal, funds to... | |
 | Perry Fairfax Nursey - 1839 - 514 pagine
...it appears that Professor Jacob!, at St. Petereburgh, has also made a discovery which promises to be of little less importance to the arts. He has found...informant rightly— of converting any line, however âne, engraved on copper, Into a relief, by a galvanic process. The Emperor of Rus • sla has placed... | |
 | 1844 - 490 pagine
...appears that Professor Jacobi, at St. Petersburg!i, has also made a discovery which promises to be of little less importance to the arts. He has found...at the Professor's disposal, funds to enable him to p°tfect his discovery.— Athenaeum." all, that he had discovered up to May 8, 1839, allowing him... | |
 | 1844 - 476 pagine
...Petersburg!!, has also made a discovery which promises to be of little less importance to the arta. He has found a method — if we understand our informant...at the Professor's disposal, funds to enable him to p"fect his discovery.— Athcnœum." all, that he had discovered up to May 8, 1839, allowing him the... | |
 | Perry Fairfax Nursey - 1844 - 474 pagine
...appears that Professor Jacobi, at St. Petersburg)!, has also made a discovery which promises to be of little less importance to the arts. He has found...on copper, into a relief, by galvanic process. The Kmperor of Russia has placed at the Professor's disposal, funds to enable him to perfect his discovery.... | |
 | 1844 - 544 pagine
...appears that Professor Jacobi, at St. Petersburg!!, has also made a discovery -which promises to be of little less importance to the arts. He has found a method — if we understand our informant rightly—of converting any line, however fine, engraved on copper, into a relief, by galvanic process.... | |
 | Cyclopaedia - 1852 - 268 pagine
...year, it was announced in the Athcnaum, that Professor Jacob! at St. Petersburg had diseovered a method of converting any line, however fine, engraved on copper, into a relief by a galvanic process. This announcement produced a letter from Mr. CJ Jordan, a printer, dated 22d May,... | |
 | Great Britain. Patent Office - 1859 - 870 pagine
...183S. An allusion to it was published in this country in May 1839 ; the paragraph is as follows : — " He has found a method — if we understand our informant...engraved " on copper, into a relief by galvanic process." Jacobi says that his process is applicable to copper-plate engravings, medals, stereotype plates, ornaments,... | |
 | 1877 - 316 pagine
...Petersburg, published an account of his galvano-plastic process (Athenaum, May 4th, 1839) :— " A method of converting any line, however fine, engraved on copper, into a relief by galvanic process, applicable to copper plate engravings, medals, stereotype plates, ornaments, and to make calicoprinting... | |
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Jacobi, at St. Petersburg)!, has also made a discovery which promises to be of little less importance to the arts. He has found a method — if we understand our informant rightly — of converting any line, however fine, engraved on copper, into a relief,... 
