94 THE BUREAU OF SCIENCE 



last year; a decrease of 5.09 per cent. Of the total weight of 

 steam generated, 38.71 per cent was used in the Philippine 

 General Hospital, 0.09 in the College of Medicine and Surgery, 

 6.06 in the Bureau of Science, 3.67 in pumping the tunnel, and 

 the remaining 51.47 was consumed by the steam engines to 

 generate electric power. 



Mansfield gas-generator plant. — The original room of the gas 

 retorts is, at present, occupied by the producer-gas engine, and 

 the retorts were moved to the new extension of the power plant. 

 One more Mansfield generator has been installed, making a total 

 of four units. The gas generated from the retorts is manu- 

 factured from kerosene and Cape lubricating oil. This gas is 

 supplied to the Bureau of Science, the University of the Philip- 

 pines, and the Philippine General Hospital. The total produc- 

 tion from July, 1912, to May, 1913, amounted to 370,361 cubic 

 feet (10,488.6 cubic meters). 



In April I offered the by-product tar from the manufacture 

 of gas to the Bureau of Health for the use of the mosquito 

 brigade. It was found suitable for use in swampy areas, and 

 since then 2 barrels weekly have been furnished for this purpose. 



Shop. — The primary object of the shop is to set up and repair 

 without delay the power-plant equipment and scientific apparatus 

 of this Bureau. The building of an experimental lime kiln and 

 other special apparatus, as well as erecting special apparatus 

 such as the ultra-violet apparatus for the sterilization of water 

 for the Bureau of Science, have been done in our shop. Two 

 hundred sixty-nine jobs, the value of which is estimated at 

 ^3,000, were completed in the carpenter and machine shop. 

 Besides routine work from the Bureau of Science, a number 

 of jobs, consisting mostly of repairing, making and nickel-plating 

 surgical instruments, making descriptive geometry models, photo- 

 graphic camera, and fishing spoons, have been completed mostly 

 for the Philippine General Hospital and the University of the 

 Philippines. 



THE PHILIPPINE JOURNAL OF SCIENCE AND OTHER PUBLICATIONS 



Nos. 4, 5, and 6 of volume VII and Nos. 1, 2, and 3 of volume 

 VIII of The Philippine Journal of Science were published during 

 the fiscal year. Beginning with No. 1 of volume VIII the desig- 

 nation of Section B was shortened from The Philippine Journal 

 of Tropical Medicine to Tropical Medicine. The designations 

 of Sections A, C, and D remain as in volume VII. 



The following are the titles of the articles printed in Tha 



