. Bulletin. Agriculture. 38 MISCELLANEOUS PAPERS. that when inserted in the end of the form the latter is expanded to its original size. The receiver ((/) for the form is made b}- drawing out. Fig. 3.—Apparatus for testing the burning quality of wrapper tobacco: a, entrance of air current; b, wrapper to be tested; e, c, glass tube to which the form bearing the wrapper is attached bj' means of tliecork, m; d. d, large glass tube fitted with corks, n, n, through which passes c, c;/, flask containing water; o, small glass tube dipping beneath the surface of the water in /; p, short glass tube lea
. Bulletin. Agriculture. 38 MISCELLANEOUS PAPERS. that when inserted in the end of the form the latter is expanded to its original size. The receiver ((/) for the form is made b}- drawing out. Fig. 3.—Apparatus for testing the burning quality of wrapper tobacco: a, entrance of air current; b, wrapper to be tested; e, c, glass tube to which the form bearing the wrapper is attached bj' means of tliecork, m; d. d, large glass tube fitted with corks, n, n, through which passes c, c;/, flask containing water; o, small glass tube dipping beneath the surface of the water in /; p, short glass tube leading from/; h, pump by means of which the current of air is secured; c, e and </, ), by means of which it is connected with the other portion of the apparatus. From the leaf to be tested, which should be quite " e c damp the wrapper Fig. 4.—construction of form on which leaf is wrapped for use in . • . i? , apparatus shown in figure 3: o, glass tube for receiving the form; 6, IS cut into a lOrm cork by which receiver (a) is connected with remainder of apparatus quite similar to that shown in figure 3; r, rubber band for collapsing the form; rf, plug 1 J. 1 for expanding the form; e, form on which leaf is wrapped. used tor cigars, and the same rules are observed as regards the cutting of right-handed and left-handed wrappers, etc. Beginning at the outer end the wrapper is 100—IV. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Plant Industry. Washington : G. P. O.
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