300 Vineyard Culture. 



The dimension of this bellows [Figs. 119 and 120], 

 are those of ordinary ones. The top and bottom are 

 made of poplar wood, and terminate in a nozzle, two 

 and three-fourths inches long, the interior of which 

 spreads from the inside outwardly. There is no iron 

 work of any kind, either inside or out. The side- 

 leather is fastened to the top and bottom by small com- 

 mon iron nails. A hole, one and one-half inch in 

 diameter, is made in the top, and is kept closed with a 

 cork stopper, B. There is no valve, the air coming in 

 and going out at the opening of the nozzle. 



L 



[FiG. 121.] La Vergnis Sulphur Bag. 

 The nozzle, A, is regularly curved, and has a diam- 

 eter of one and one-fourth inch ; it is fastened to the 

 end of the bellows by means of two hooks, placed at 

 the side. A copper cloth, with meshes eight one-hun- 

 dredths of an inch apart, is placed in front. The sulphur 

 is introduced into the bellows through the hole B, near 

 the top. The weight of sulphur being near the oper- 



