Contribution Towards a History of Electro-metallurgy, Establishing the Origin of the ArtSpon, 1863 - 102 pages |
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Page 6
... perfect matrix , and might be employed for the purpose of casting , where time is not an object . " It appears , therefore , that this discovery may be turned to some practical account . It may be taken advantage of in procuring casts ...
... perfect matrix , and might be employed for the purpose of casting , where time is not an object . " It appears , therefore , that this discovery may be turned to some practical account . It may be taken advantage of in procuring casts ...
Page 19
... perfect scale , than to be adjudged a discoverer , much less " the father of electro - metal- lurgy , " having a " preference to every other claimant . " He commences his paper by saying , " I do not profess to have brought forward a ...
... perfect scale , than to be adjudged a discoverer , much less " the father of electro - metal- lurgy , " having a " preference to every other claimant . " He commences his paper by saying , " I do not profess to have brought forward a ...
Page 39
... perfect invention , " or of imagining he has " discovered a useful application of an important principle , " p . 11 ; or com mend the subject of his paper as " the present simple discovery , " p . 10 . It was in the Athenæum for May ...
... perfect invention , " or of imagining he has " discovered a useful application of an important principle , " p . 11 ; or com mend the subject of his paper as " the present simple discovery , " p . 10 . It was in the Athenæum for May ...
Page 44
... , to the deeper touches of the needle or graver . " Mr. Spencer having obtained an impression of the medal , says of the electro- type , " On examination with a magnifying glass , I found every line was as perfect as the coin from 44.
... , to the deeper touches of the needle or graver . " Mr. Spencer having obtained an impression of the medal , says of the electro- type , " On examination with a magnifying glass , I found every line was as perfect as the coin from 44.
Page 45
... perfect matrix , which might be employed for the purpose of casting . " Mr. Spencer , in the introduction , or " Prefatory , " as he pedantically terms it , to his pamphlet , acquaints us that , " In the formation of that important ...
... perfect matrix , which might be employed for the purpose of casting . " Mr. Spencer , in the introduction , or " Prefatory , " as he pedantically terms it , to his pamphlet , acquaints us that , " In the formation of that important ...
Autres éditions - Tout afficher
Contribution Towards a History of Electro-metallurgy, Establishing the ... Henry Dircks Affichage du livre entier - 1863 |
Contribution Towards a History of Electro-Metallurgy, Establishing the ... Henry Dircks Aucun aperçu disponible - 2017 |
Contribution Towards a History of Electro-Metallurgy: Establishing the ... Henry Dircks Aucun aperçu disponible - 2009 |
Expressions et termes fréquents
12th September acquaintance afforded alluded announced apparatus appeared application Athenæum BLACKHEATH British Association BUCKLERSBURY C. J. Jordan Camden Town casts cess charge claims clairvoyance cloth communication copper plate Dancer deposited copper Dircks's discovery doubt electrography electrotype engaged evidence F. N. SPON fact Galvanic Engraving George Price Glasgow HENRY DIRCKS HISTORY OF ELECTRO-METALLURGY honour impressions ingenious inventor JONATHAN HULLS Jordan's letter journal June labours Liverpool Albion Liverpool Mercury Liverpool Polytechnic Society London lurgy Magazine matter Mechanics ments metal notice observe obtained ornaments pamphlet paragraph patent Perpetuum Mobile Petersburgh Philosophical plagiarisms plaster of Paris plate of copper practical present printed priority of invention Professor Jacobi prove published purpose remarks reply respect result says scientific Sept September 12 solution Spencer's paper statements sulphate of copper suppose surface surprise sustaining batteries Thomas Spencer tion Treatise tricity tubs varnish vessel voltaic electricity zinc zinc plate