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1. Design of an experimental apparatus to determine power and efficiency of rope and belt transmission Design of an experimental apparatus to determine power and efficiency of rope and belt transmission Fermier, Emile Jerome 1894

2. Tests of the efficiency of the Raymond gas engine Tests of the efficiency of the Raymond gas engine Page, Julian D. 1894

3. Efficiency test upon the Purdue electrical power plant Efficiency test upon the Purdue electrical power plant Clarke, F. A.; Marks, T. R. 1896

4. Radiant efficiency of the incandescent lamp Radiant efficiency of the incandescent lamp Thompson, A. R. 1896

5. Comparative efficiency tests of American transformers Comparative efficiency tests of American transformers Byrns, Robert Ainsworth 1896

6. Efficiency tests of the municipal arc-lighting plant of the city of Martinsville, Indiana Efficiency tests of the municipal arc-lighting plant of the city of Martinsville, Indiana Dryden, Harry W.; Axtell, G. W. 1897

7. Comparative efficiency tests of modern American transformers Comparative efficiency tests of modern American transformers Wallace, John; Morey, Charles W. 1897

8. Effect of cutoff on efficiency in the locomotive Schenectady No. 2 Effect of cutoff on efficiency in the locomotive Schenectady No. 2 Fernald, Benjamin G. 1898

9. Efficiency of Schenectady No. 2 under different steam pressures Efficiency of Schenectady No. 2 under different steam pressures Green, Carl R. 1898

10. Efficiency of locomotive Schenectady No. 2 under different steam pressures Efficiency of locomotive Schenectady No. 2 under different steam pressures Sears, Robert Lee 1898

11. Experimental determination of the efficiency of a 5 h.p. polyphase motor Experimental determination of the efficiency of a 5 h.p. polyphase motor Gaskill, Eugene S.; Earhart, Martin W. 1898

12. Report of efficiency and economy tests on the Lafayette St. Ry. power plant Report of efficiency and economy tests on the Lafayette St. Ry. power plant Munro, George Wesley, 1872-1964; Cope, Harold W.; Fankboner, Albertus; Simpson, Charles A. 1898

13. Efficiency of locomotive Schenectady no. 2 at different speeds of rotation Efficiency of locomotive Schenectady no. 2 at different speeds of rotation Wolgemuth, Lee Edgar; Wickersham, Ralph Stephen; 1898

14. Analysis of the efficiency of locomotive Schenectady, no.1, by the entropy method Analysis of the efficiency of locomotive Schenectady, no.1, by the entropy method Allen, Charles B.; Gemmer, George A 1899

15. Efficiency test of a 125 horse power gas engine Efficiency test of a 125 horse power gas engine Young, Gilbert Amos; Felbaum, Fred William; Chandler, Franklin Fay 1899

16. Efficiency test of the citizens' lighting plant Lafayette Indiana Efficiency test of the citizens' lighting plant Lafayette Indiana Allen, T.S.; Knight, E.R. 1899

17. Efficiency of locomotive schenectady no. 2 under a different valve setting Efficiency of locomotive schenectady no. 2 under a different valve setting Gee, Norman Edward 1899

18. Tests on a compressed air motor to determine the increased efficiency of using hot air over cold air Tests on a compressed air motor to determine the increased efficiency of using hot air over cold air Allen, Edwin Madison 1899

19. Efficiency and regulation test of a Westinghouse rotary converter Efficiency and regulation test of a Westinghouse rotary converter Rolf, A. F.; Simpson, E. L. 1899

20. Efficiency and regulation test of a Westinghouse rotary converter Efficiency and regulation test of a Westinghouse rotary converter Rolf, A. F.; Simpson, E. L. 1899
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