38 



MISCELLANEOUS PAPERS. 



that when inserted in the end of the form the latter is expanded to its 

 original size. The receiver (a) 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; c, c, glass tube to which the form bearing the wrapper is attached by means 

 of tlie cork, m; d, d, large glass tube fitted with corks, n, n, through, which passes c, c; f, 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; e, e and g, g, rubber 

 tubing connecting parts of apparatus; t, water tap; i, outflow of water. 



one end of a short piece of thick- walled glass tubing. All of the above 

 dimensions are based on tubing having an internal diameter of Itt mm. 

 (9/16 inch) and an external diameter of 18 mm. (11 16 inch). The 

 small end of the re- 

 ceiver is fitted with 

 a soft cork {h), b}^ 

 means of which it is 

 connected with the 

 other portion of the 

 apparatus. 



From the leaf to 

 be tested, which 

 should be quite 



damp, the wrapper fig. 4.— construction of form on which leaf is wrapped for use in 

 ic! out into n fHrm apparatus shown in figure 3: o, glass tube for receiving the form; 6, 

 cork by which receiver (a) is connected with remainder of apparatus 

 quite similar to that shown in figure 3; c, rubber band for collapsing the form; (7, plug 

 used for ci^'ars and ^^^ expanding the form; e, form on which leaf is wrapped. 



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 



