112 



THE BUREAU OF SCIENCE 



Table I. — Comparative table of routine work performed and supplies manu- 

 factured and disposed of during the fiscal year 1913, as compared with 

 the fiscal year 1912, by number or quantity. 



[July 1, 1913.] 



Division of the Bureau. 



General, inorganic, and physical chemistry: 



Metals and alloys __ 



Rocks, minerals, natural pigments, and 



similar substances 



Clays, shales, limestones, limes, wall 



plasters, cements, and slags 



Fertilizers 



Soils and similar substances 



Coal analyses 



Steaming tests 



Calorimetric tests of fuels 



Waters 



Crude chemical and miscellaneous 



analyses.- 



Standard solutions 



Physical tests of wire, twine, fibers, 



textiles, paper, and similar articles... 



Cements 



Compression, tensile, or transverse 



strength of concrete, stone, mortar, 



rope, iron and steel, etc 



Standardization of road materials 



Standardization of units of measure — 



Lengths 



Capacities 



Weights 



Miscellaneous 



Total 



Organic chemistry: 



Urines, clinical and toxicological analy- 

 ses 



Essential oils and essences 



Petroleum and products, copra, and 



similar materials 



Paints, varnishes, and linseed oils ' 



Gums, resins, and similar materials 



Paper and similar materials 



Gastric juice, clinical examinations 



Foods, alcohols, and beverages 



Food preservatives and coloring matters. 



Medicines and similar articles 



Miscellaneous 



Total 



Samples or units. 



1912 



36 



46 



83 



16 



61 



20 



2 



8 



146 



33 

 33 



14 



.476 



221 



27 



370 

 620 

 156 



10, 368 



>6,143 

 6 



17 



41 



1 



126 



7 



1,288 



32 



84 



91 



7.836 



1913 



45 



15 



55 

 10 

 14 

 58 



42 

 187 



35 

 10 



48 

 9,535 



54 

 62 



96 

 154 

 667 

 210 



11,297 



2,666 

 37 



71 



46 



3 



107 



12 



1,035 



19 



232 



77 



4.305 



Decrease. 



31 



28 

 6 



47 



23 



167 



216 



3,477 



19 



253 

 13 



14 



3,531 



Increase. 



38 



34 

 41 



34 

 1.059 



35 



96 



47 

 54 



929 



31 



54 

 5 

 2 



148 



* Includes hU urines examined by the biological laboratory. 



