168 THE APPLICATION OF SMALL STEAM TURBINES 



EXPLANATION OF PLATES. 



Plate 62. — Early Parsons' Double-Flow Turbine for Ship Lighting. About 

 1887. 



Plate 63. — 75 kw. Brown Boveri Lighting Set, Used in German and French 

 Navies. 



Plate 64. — 75 kw. Escher-Weiss (Zoelly type) Lighting Set Used in German 

 and French Marine. 



Plate 65. — Mellons Pfenneiger German Naval Type of Lighting Set. 



Plate 66. — 375 kw. Turbo-Generator Built by C. A. Parsons & Co. for R. M. S. 

 Mauretania. 



Plate 67. — Terry Wireless Telegraph Set. 



Plate 68. — 10 kw. Standard Terry Marine Lighting Set. 



Plate 69. — 35 kw. Terry Marine Lighting Set. 



Plate 70. — Type GF Condensing Turbo-Generator Set. 



Plate 71. — Curtis Turbine Driving Worthington Pumps on the Fire Boat 

 Deluge, City of Baltimore. 



Plate y2. — De Laval Marine Lighting Set. 



Plate 73. — Original 3-Bearing Vertical Terry Turbine, Swung Open. 



Plate 74. — Horizontal Marine Forced-draft Set. 



Plate 75. — Capacity and Total Steam Curves of Marine Forced Draft. 



Plate 76. — Forced-draft Set used in German Navy. Brown-Boveri Blowers. 



Plate 'j'j. — Yarrow-Terry Forced-draft Set with Keith Fan. 



Plate 78. — Special Vertical Turbine Boiler Feed Pump for Marine Use. 



Plate 79. — Water-rate and Capacity Curves, Turbine-driven Pumping Sets. 



Plate 80. — Efficiency Curves on Turbine-driven Boiler Feed Pumps. 



Plate 81. — Condensing Circulating 3-Bearing Terry- Worthington Pumping 

 Units. 



Plate 82. — Terry Turbine Pumping Set Mounted on Dredge for Use in Grad- 

 ing Banks of the Mississippi River. 



Plate 83. — New Vertical 2-Bearing Terry Forced-Draft Set. 32,000 cubic 

 feet per minute, 6 inches pressure. 



Plate 84. — Curves of Water Rates and Heat Extracted per Pound of Steam 

 with Varying Efficient Ratios. 



Plate 85. — Curves Giving per Cent of Auxiliary to Total Steam. 



Plate 86. — Data of Velocity and Capacity Air Tests on U. S. S. Terry. 



Plate 87. — Methods of Testing a Fan on U. S. S. Terry. 



Plate 88. — Speed and Capacity Curves for same Fan Tested in Shop and Tested 

 on Board Ship. 



Plate 89. — Comparison of Centrifugal and Reciprocating Boiler Feed Pumps. 



