 | 1827 - 532 pages
...dividing Glass by Friction. — The following method is described by Dr. Hare : " Some years ago Mr. Lukin showed me that a small phial or tube might be separated...certain by means of a piece of plank forked like a boot-jack, and also having a kerf cut by a saw, parallel to ahd nearly equidistant from the principal... | |
 | Perry Fairfax Nursey - 1828 - 474 pages
...small phial, or tube, might be separated into two parts, if subjected to cold water, after being healed by the friction of a cord made to circulate about...certain, by means of a piece of plank forked like a boot-jack — as represented in the preceding figure; uud «Osa IMPROVED RUDDERS, bavinp a kerf, eat... | |
 | Benjamin Silliman - 1830 - 546 pages
...parts, on being subjected to cold water. " Some years ago, Mr. Lukens showed me, that a small phjal, or tube, might be separated into two parts, if subjected...certain, by means of a piece of plank forked like a boot jack — as represented in the preceding figure — and also having a kerf, or slit, cut by a... | |
 | Robert Hare - 1840 - 942 pages
...tul>e • might be separated into two ports, if subjected to cold water, alter having been hcsti • by the friction of a cord made to circulate about it, by two persons alternately pull ing in opposite directions. 1 was subsequently enabled to employ this process tnr dividing large... | |
 | M.V. Regnault - 1853 - 684 pages
...small phial or tube might be separated into two parts, if subjected to cold water, after having been heated by the friction of a cord made to circulate...I was subsequently enabled to employ this process for dividing large vessels, of four or five inches in diameter; and likewise to render it in every... | |
 | Henri Victor Regnault - 1853 - 698 pages
...small phial or tube might be separated into two parts, if subjected to cold water, after having been heated by the friction of a cord made to circulate...I was subsequently enabled to employ this process for dividing large vessels, of four or five inches in diamcter; and likewise to render it in every... | |
 | Edward Spon - 1872 - 404 pages
...small phial or tube might be separated into two parts, if subjected to cold water, after having been heated by the friction of a cord made to circulate...persons alternately pulling in opposite directions. We were subsequently enabled to employ this process for dividing large vessels of 4 or 5 in. in diameter... | |
 | Edward Spon, Oliver Byrne, Ernest Spon, Francis N. Spon - 1874 - 396 pages
...small phial or tube might be separated into two parts, if subjected to cold water, after having been heated by the friction of a cord made to circulate...persons alternately pulling in opposite directions. Wo were subsequently enabled to employ this process for dividing large vessels of 4 or 5 in. in diameter... | |
 | 1828 - 484 pages
...tube might be separated into two parts, if subjected to cold water after being heated by the fiiction of a cord made to circulate about it, by two persons...certain by means of a piece of plank forked like a boot-jack, and also having a kerf cut by a saw, parallel to, and nearly equidistant from, the principal... | |
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I was subsequently enabled to employ this process, in dividing large vessels, of four or five inches in diameter, and likewise to render it in every case more easy, and certain, by means of a piece of plank forked like a... 