 Wray's compound and pure gutta-percha far surpass the commercial gutta-percha hitherto employed; but it remains to be seen whether the mechanical and commercial difficulties in the employment of these new materials can be successfully overcome. The external...  Report of the Annual Meeting - Pàgina lxvper British Association for the Advancement of Science. Meeting - 1862Visualització completa - Sobre aquest llibre
 | 1861 - 738 pàgines
...; and, next to it, W ray's compound and pure gutta percha far surpasses the commercial gutta pficha hitherto employed ; but it remains to be seen whether...anxious consideration. The objections to iron wire are ite weight and liability to corrosion. Hemp has been substituted, hut at present with no satisfactory... | |
 | 1861 - 460 pàgines
...advantages, and, next to it, Wray's compound and pure gntta percha far surpass the commercial gutu pcrcha hitherto employed; but it remains to be seen whether...substituted, but at present with no satisfactory result. All these difficulties, together with, those connected with the coiling and paying out of the -cable,... | |
 | 1861 - 362 pàgines
...advantages, and, next to it, \V ray's compound and pure gutta percha far surpass the commercial gutta percha hitherto employed ; but it remains to be seen whether...substituted, but at present with no satisfactory result. All these difficulties, together with those connected with the coiling and paying out of the cable,... | |
 | British Association for the Advancement of Science - 1861 - 144 pàgines
...advantages, and, next to it, Wray's compound and pure gutta percha far surpass the commercial gutta percha hitherto employed ; but it remains to be seen whether...substituted, but at present with no satisfactory result. All these difficulties, together with those connected with the coiling and paying out of the cable,... | |
 | 1861 - 970 pàgines
...difficulties in the employment of these new materials can be successfully overcome. The external projecting covering is still a subject of anxious consideration....substituted, but at present with no satisfactory result All these difficulties, together •with those connected with the coiling and paying out of the cable,... | |
 | 1862 - 448 pàgines
...1851, only three thousand miles are actually in working order ; so that three-fourths may be considered a failure and loss to the country. The insulators...substituted, but at present with no satisfactory result. All these difficulties, together with those connected with the coiling and paying out of the cable,... | |
 | 1862 - 476 pàgines
...1851, only three thousand miles are actually in working order ; so that three-fourths may be considered a failure and loss to the country. The insulators...substituted, but at present with no satisfactory result. All these difficulties, together with those connected with the coiling and paying out of the cable,... | |
 | 1862 - 338 pàgines
...deterioration from mechanical violence, chemical decomposition or decay, and from the absorption of water ; the last circumstance does not appear to influence...substituted, but at present with no satisfactory result. All these difficulties, together with those connected with the coiling and paying out of the cable,... | |
 | 1862 - 448 pàgines
...durability of cables. Electrically, India-rubber possesses high advantages, and, next to it, Wray"s compound and pure gutta-percha far surpass the commercial...substituted, but at present with no satisfactory result. All these difficulties, together with those connected with the coiling and paying out of the cable,... | |
 | British Association for the Advancement of Science - 1862 - 804 pàgines
...Electrical!}', india-rubber possesses high advantages, and, next to it, Wray 's compound and pure gnttaperclia far surpass the commercial gutta-percha hitherto employed...substituted, but at present with no satisfactory result. All these difficulties, together with those connected with the coiling and paying out of the cable,... | |
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