Aspinall on the Lancashire & Yorkshire railway to ascertain the resistance of trains of bogie passenger carriages of different lengths at varying speeds, and the results are recorded in a paper, " Train Resistance," Proc. Inst.
For further information regarding the standard engine of comparison see the article Steam Engine and also the " Report of the Committee on the Thermal Efficiency of Steam Engines," Proc. Inst.
Havundersiigelser, Serie Hydrografi (Copenhagen 1904-20), contain important papers; the publications of the university of California (Zoology) deal with the work of the Scripps Inst.
C. Lea, dealing with the determination of stress due to concentrated loads, by the method of influence lines will be found in Proc. Inst.
Accordingly, for several years its use was restricted to the Marne; but in1883-1886drum weirs were 2 Proc. Inst.