The Hygienic Effect of the Use of Gas...T. D. Miller.... Discussion. Telescoping a Gas Holder..... Discussion. A Central Station Electric Plant Oper ated by a Gas Engine Discussion. 259 SPEAKER. A Central Station Electric Plant Oper ated by a Gas Engine-Continued..H. L. Doherty... Discussion-Continued. S. M. Highlands...... 278 279 280 B. E. Chollar...... WRINKLE DEPARTMENT. Device for Floating Hydrometer......... 285 Valve Controlling Device for Engine in Water Gas Works ...... 289 leaks in a brick tank?..................J. B. Howard......... 306 What success has been accomplished through the introduction and use of the Yusea Welsbach Mantle?..... 37 |