RURAL ENGINEERING. 

 Tire width for different loads on different wagons. 



783 



It is proposed to limit the rounding of the tire on both sides to 0.197 in., and 

 to use at least a 2.3-in. tire on light spring vehicles for personal transport the 

 total weight of which will not exceed 6,600 lbs. For 4-wheeled wagons the 

 minimum wheel diameter is given at 31.5 in., and for 2-wheeled 51 in. Each 

 wagon owner is to be required to label his wagon, showing his name and loca- 

 tion, the tire width of the wheels, and the corresponding maximum load. 



A good commercial dairy barn, J. Begin {Canada Expt. Farms Rpt. 191It, 

 pp. 376-379, pis. 4)- — Plans and specifications for a modern commercial dairy 

 barn erected at the substation at Ste. Anne De La Pocatiere, Quebec, are given. 

 This is considered to be an example of capacity, strength, lightness of structure, 

 convenience, light, and ventilation in a dairy barn. 



Cow barns, W. W. Hitbbaed (Canada Expt. Farms Rpts. 1914, pp. 366-368, 

 pis. 2). — Plans and statements regarding the general points of construction of 

 the new cow barns recently erected at the substation at Fredericton, New 

 Brunswick, are given. 



Horse barn, W. W. Hubbard (Canada Expt. Farms Rpts. 1914, PP- 408, 409, 

 pi. 1). — Plans and statements regarding the general points of construction of a 

 new horse barn for 15 horses recently erected at the substation at Fredericton, 

 New Brunswick, are given. 



Horse barn, J. Begin (Canada Expt. Farms Rpts. 1914, PP- ^^3, 4i4, pls. 2). — 

 Plans and brief specifications of a new horse barn for 15 horses recently erected 

 at the substation at Ste. Anne De La Pocati&re, Quebec, are given. 



Horse barn, W. C. ]\IcKillican (Canada Expt. Farms Rpts. 1914, P- ^15, 

 pis. 5). — Plans and photogi-aphic views, with a brief description, are given of a 

 new horse barn recently constructed at the substation at Brandon, Manitoba. 



Piggery, W. C. McKillican (Canada Expt. Farms Rpts. 1914, PP- 454-^56, 

 pis. 3). — Plans and brief specifications of a piggery recently erected at the 

 substation at Brandon, Manitoba, are given. 



Poultry houses and appliances for allotment holders, cottagers, and others 

 (Bd. Agr. and Fisheries [London}, Spec. Leaflet 11 (1915), pp. 8, figs. 4). — This 

 pamphlet points out briefly the essential features of poultry houses from the 

 English viewpoint, and gives specifications and bills of material for apex port- 

 able and stationary poultry houses, scratching sheds, and coops. 



A cheap root cellar, W. H. Fairfield (Canada Expt. Farms Rpts. 1914, P- 

 940, pis. 2). — It has been found that a convenient way to build a root cellar at 

 small expense is to make an excavation about 6 ft. deep and cover it with 



