HOR 



Taplin's horse -power {Fig. 3) is a 

 large wheel revolving on a short ax- 

 is near to the ground. 'I'lie driver 

 sits on the top ol" tiie axis, and the 



F/>. 3 



HOR 



horses work within the circumfer- 

 ence, heing hitclied to it. The under 

 side of the wheel carries iron toclh, 

 which play upon a small wheel con- 



nected by a drum with the thrasher. 

 It is readily carried, and set up on the 

 field in a few minutes. 



Gleasun's horse power {Fig. 4) is on 



F/V. 4. 



another principle : an endless chain, 

 carrying oaken slats for the horse to 

 tread on, is made to turn a wheel, 

 which carries a drum on the outside 

 of the frame, from which a leatiiei 

 band communicates with the thrash- 

 er or mill. The horse or mule works 

 within a framing to hinder accidents. 

 Pitt's machine is of this class. 



A very similar contrivance is used 

 for dogs, the machine being reduced 

 to a proper size. In this way churn- 

 ing and other light operations may be 

 conducted. 



These horse powers contain the 

 three principles on which all the rest 

 are constructed. The prices of the 

 powers are from $60 to $90 for the 

 single horse, and $100 to $120 for 

 two or more horses. 



HORSERADISH. Cochlcaria ar- 

 moracia. A cruciferous plant, with a 

 perennial root, used as a condiment 

 404 



for its hot taste, resembling mus- 

 tard. 



The plants are obtained from cut- 

 tings, or offsets, from the crown of 

 the preceding roots, each cutting hav- 

 ing two eyes ; they are set early in 

 spring, in a deep, mellow earth that 

 has been trenched. The soil should 

 be moist and well manured. The 

 sets may be placed in drills, eighteen 

 inches to two feet apart, by six inch- 

 es in the row, and during the first 

 year beets or other plants can be 

 raised in the drill intervals. Weed- 

 ing and hoeing are necessary. The 

 roots will be fit to be taken up in Oc- 

 tober and November of the second 

 year, when they may be kept for use 

 in sand. In taking up the roots the 

 earth must be thoroughly loosened 

 to obtain the whole, as they are fre- 

 quently two feet deep. Offsets and 

 broken pieces contauiing eyes will 

 vegetate the next year, and in this 

 way a bed once established may, by 

 manuring, be kept up for a long pe- 

 riod ; but the best way is to select 

 cuttings for a new bed the next year. 



HORSE-RAKE. See Hay-inaking. 



HORSE-TAIL. The genera Equi- 

 setum, or scouring rush, and Hippnris, 

 remarkable for the large amount of sil- 

 ica they contain. They grow in rich, 

 wet places, and some varieties are of 

 value in the arts for polishing met- 



HORTICULTURE (from hortus, 

 a garden, and colo, I cultivate). The 

 cultivation of gardens and orchards. 

 See Garden Husbandry. 



