No. 72. Pumps, Condensers, Steam and Water Piping.
No. 73. Principles and Applications of Electricity, Part I.—Static Electricity; Electrical Measurements; Batteries.
No. 74. Principles and Applications of Electricity, Part II.—Magnetism; Electro-Magnetism; Electro-Plating.
No. 75. Principles and Applications of Electricity, Part III.—Dynamos; Motors; Electric Railways.
No. 76. Principles and Applications of Electricity, Part IV.—Electric Lighting.
No. 77. Principles and Applications of Electricity, Part V.—Telegraph and Telephone.
No. 78. Principles and Applications of Electricity, Part VI.—Transmission of Power.
No. 79. Locomotive Building, Part I.—Main and Side Rods.
No. 80. Locomotive Building, Part II.—Wheels; Axles; Driving Boxes.
No. 81. Locomotive Building, Part III.—Cylinders and Frames.