266 



APPENDIX. 



Note C. 



Table VI. is a set of results from Fig. 16, applied to the wind-chest, 

 as iu Fig. 13. Table VII. is a set from Fig. 13, with the same reed. It 

 will be seen, that in this case the length of AB affects the results as 

 might have "been expected. 



Table VI. 



6 Inches pressure. 



Table VII. 



