166 



GRAPE CULTURE AND 



FIG. 12. 



erford, Napa Co., who is a good mechanic, and living in the 

 midst of the main wine-growing district, has had a chance to 

 study the wants of the wine growers. It has two shares, and 

 in fair soil can be drawn by one good pair of horses. The 

 shares used, Oliver No. 8, can be taken off and used for sin- 

 gle plow. The plow is calculated to finish four furrows in 

 a round, going up on one side of the row, throwing the ground 

 to the middle, and returning on the other side in plowing 

 from the vines. The wheel in front regulates the depth. 

 By plowing one furrow with single plow close to the vines 

 the row is finished. In plowing to the vines the single plow, 

 or one horse plow, is used first, throwing the ground to the 

 vines, and one round with the gang plow,, going up on the 

 right hand side and returning on the same row will finish it. 

 Fig. 13 is a plow for deep tillage, made by the same par- 

 ty, for breaking ground for vineyards. It is very strong, will 

 stand the draught of six horses and mules, and calculated to 



