Technology
[Transcriber’s Note: All footnotes are grouped at the end of the file. Those that include non-bibliographic information are _also_ shown after their referring paragraph. This UTF-8 file includes a few less common fractions such as ⅛ and ⅔. Readers who cannot see these characte...
At this station successful experiments have been carried out by using humidifiers to moisten the atmosphere after the temperature of the air outside the gallery has been raised...
11. Part 11Investigations into the relative efficiency of gasoline and denatured alcohol as power producers, undertaken in connection with work for the Navy Department, have demonstrated t...
3. Part 3_Safety-Lamp Investigations._--Many so-called safety lamps are on the market, and preliminary tests of them have been made in the lamp gallery, in Building No. 17 (Fig. 2, Plate...
12. Part 12WALTER O. SNELLING, Esq.[30] (by letter).--The work of the United States Testing Station at Pittsburg has been set forth so fully by Mr. Wilson that a further statement as to th...
1. Part 1[Transcriber’s Note: All footnotes are grouped at the end of the file. Those that include non-bibliographic information are _also_ shown after their referring paragraph. This UT...
5. Part 5Powder and test number, weight of charge, charging density, height of curve, pressure developed, and pressure developed after cooling, compared with pressure developed after eli...
8. Part 8The results of the work of the Structural Materials Division have already appeared in preliminary bulletins, as follows: No. 324, “San Francisco Earthquake and Fire of April 18,...
10. Part 10Kerosene engines are of two general types: the external-vaporizer type, in which the fuel is vaporized and mixed with air before or as it is taken into the cylinder; and the int...
7. Part 7The cylinders used in the percolation tests are composed of typical Portland cement mixed with sand, gravel, and broken stone of known composition and behavior, and of cement mi...
9. Part 9The entire building is ventilated by a force or blower fan in the basement, and by an exhaust fan in the attic with sufficient capacity to insure complete renewal of air in each...
6. Part 6Investigations are also being conducted to determine the nature and extent of materials available for use in the building-construction work of the Government, and how these mate...
2. Part 2“TEST 4.--A limit charge will be determined within 25 grams by firing charges in their original wrappers, untamped, at a gallery temperature of 77° F., into a mixture of gas and...
13. Part 13Until a few years ago little interest was manifested by the public in safeguarding the manufacture, transportation, storage, and use of explosives. Anyone possessing the necessa...