590 EXPERIMENT STATION RECORD. IVol. 36 



N. G. E. A. data sheets compiled by H. R. Bbate {Lal-cmont, N. Y.: Nat. Gas 

 Engine Assoc, 1916, pp. [SIO], figs. iO).— Seven volumes of these data sheets 

 are presented to date, as follows: Volume 1, National Gas Engine Association 

 standards and general engineering data; volume 2, silage cutters; volume 3, 

 feed grinder.-^, gi-inders and crushers, buhr stone, and corn and cob crushers; 

 volume 4, hay presses; volume 5, pumps; volume 6, electrical outfits; and 

 volume 7, tractors. 



Markets for agricultural implements and machinery in Argentina, F. H. 

 VoN MoTZ {U. S. Depf. Com., Bur. Foreign and Dam. Com., Spec. Agents »S'cr., 

 No. 125 {1916), pp. 86). — This report gives detailed information regarding the 

 market requirements of Argentina for all kinds of farm machinery, supple- 

 mented by data on agricultural conditions and trade methods. 



Diagram for obtaining number feet B. M. in various timbers, W. R. Roof 

 {Engin. and Contract., 46 (1916), No. 21, p. JfoS, fig. 1).—A diagram is given 

 v^^hich affords a convenient method for obtaining the number of feet board meas- 

 ure for various sizes of timber. 



The preservative treatment of farm timbers, E. A. Steeling {Nat. Lumber 

 Manfrs. Assoc, Trade Ext. Dept. Farm Bui. 3 {1916), pp. 11, figs. 6). — This bul- 

 letin deals with preservatives, methods of treatment, preparing timber for 

 treatment, kinds of timber suitable for treatment, conditions requiring treat- 

 ment, and the cost. 



New roofing materials for rural structures, R. De Saint-jMaukice {Vie Agr. 

 et Rurale, 5 {1915), No. 1, pp. 9-13, figs. 9). — This describes and illustrates and 

 gives woi-king data regarding five different types of composition roofing and 

 zinc roofing, special reference being made to their use on farm buildings in 

 France. 



Grain storage buildings, K. J. T. Ekblaw {Nat. Lnmber Manfrs. Assoc, 

 Trade Ext. Dcpt. Farm Bui. 2 {1916). pp. 16, figs. S). — This bulletin deals with 

 the features of construction of grain-storage buildings, including the founda- 

 tion, pressure on walls, floors, framing, walls, roof, and general arrangement, 

 and describes and illustrates a small granary, a small corn crib, and a large 

 grain-storage building. 



Swine houses, K. J. T. Ekblaw {Nat. Lumber Manfrs. Assoc, Trade Ext. 

 Dept. Farm Bui. 4 {1916), pp. 22, figs. 6). — This bulletin points out the essen- 

 tials of a good swine house and describes and diagrammatically illustrates 

 small portable houses and large permanent houses. 



Dairy buildings at United States Naval Academy, C. D. Francis {Hoard's 

 Dairyman, 52 {1916), No. 21, pp. 125, 1^4, fig. 1). — A brief description is given of 

 the dairy buildings which are being constructed for the accommodation of about 

 200 cows on the dairy farm of the U. S. Naval Academy near Annapolis, Md. 



Shedding' for milch cows on Rhodesian farms, R. C. Simmons {Rhodesia 

 Agr. Jour., 13 {1916), No. 5, pp. 67S-68}, pi. 1). — A permanent milch cow shelter 

 of brick, thatch, and hardwood poles is described and diagraraatically illus- 

 trated. 



Implement sheds, K. J. T. Ekblaw {Nat. Lumber Manfrs. Assoc, Trade E.Tt. 

 Dept. Farm Bui. 1 {1916). pp. 19, figs. 6). — This paper discusses the design of 

 implement sheds and gives information with illustrations on the open shed, 

 wide inclosed, and two-story types, and space requirements and selection of 

 building material. 



Farm residence heating', L. W. Eggleston {Trans. Amer. Soc Agr. F.ngin., 

 9 {191.5), No. 1, pp. 41-49, figs. 10). — The general features of steam and hot 

 water heating of farmhouses are described and illustrated. 



Electric lighting systems for farm use, O. II. Roth {Trans. Amer. Soc Agr. 

 Engin., 9 {1915), No. 1, pp. S^-^O).— The author attempts to classify farm light- 



