 | 1847 - 906 стор.
...73,590 1,310,7793 17-81 12-55 6.895-25 16-4,517-53 1845 40,891 737,571 i 18-03 11-06 3,420-57 81,595-26 The tanning of leather, more than almost any other...perhaps there is no description of manufacture, where so much depends upon practical knowledge, and so little upon mere theory, as in the tanning of leather.... | |
 | 1847 - 650 стор.
...6,053 42 12.55 6.РЯ5 25 11.06 3,420 57 1842 ... 54,323 1843 1844 ,.. 56,742 ... 73,590 1845. 40,891 The tanning of leather, more than almost any other...perhaps there is no description of manufacture, where so much depends upon practical knowledge, and so little upon mere theory, as in the tanning of leather.... | |
 | George Washington Light - 1847 - 398 стор.
...observations on this art, are from a recent account of the extensive tannery at I'rattsville (NY) : — " The tanning of leather, more than almost any other...perhaps there is no description of manufacture, where so much depends upon practical knowledge, and so little upon mere theory, as in tanning." It is also... | |
 | American Institute of the City of New York - 1848 - 854 стор.
...the knowledge which I have acquired, has been the result of long continued practice and experience. This teaches one that the hemlock is much stronger...evidently impossible; it can only be acquired in the tannery itself, by long and careful attention and observation; and, perhaps, there is no description... | |
 | Julia de Fontenelle (Jean-Sébastien-Eugène) - 1852 - 592 стор.
...60 . . 8 12 . 6 12 , . 1 14 , . 1 12 • .1 14 . . 4 12 s . . 3 24 Leather returned to New York. " The tanning of leather, more than almost any other...itself, by long and careful attention and observation. " The following tables present some facts which may be of general interest. No. of hides received at... | |
 | Julia de Fontenelle (Jean-Sébastien-Eugène) - 1852 - 592 стор.
...47 " 45 " 218 . 58 5 per cord . • $1120 1600 500 HEMLOCK TANNING. Leather returned to New York. " The tanning of leather, more than almost any other...itself, by long and careful attention and observation. "The following tables present some facts which may be of general interest. • . 1841 1842 1643 1844... | |
 | David H. Kennedy - 1857 - 266 стор.
...represented by a wood engraving in front of this chapter, and as follows: A is the bark200 REMARKS laboratory of the chemist is evidently impossible. It can only be acquired in the tanning process itself by careful and close observation. The question has been frequently asked, How long does... | |
 | David H. Kennedy - 1857 - 310 стор.
...represented by a wood engraving in front of .this chapter, and as follows: A is the barklaboratory of the chemist is evidently impossible. It can only be acquired in the tanning process itself by careful and close observation. The question has been frequently asked, How long does... | |
 | 1864 - 622 стор.
...which the skins are extended and smoothed ; they are then finished by being passed over a hot iron. The tanning of leather, more than almost any other...perhaps there is no description of manufacture where so much depends upon practical knowledge, and so little upon mere theory, as in the tanning of leather.... | |
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The tanning of leather, more than almost any other manufacture, is a chemical process, the success of which depends almost wholly upon the skill and judgment with which its complicated manipulations are conducted. To attain the requisite skill in the... 