KEY TO PLANS OF BOILER ROOM AND 

 MECHANICAL PLANT 



I -a. Boilers. 

 6. Suiokr Breeching. 

 7. Boiler Flue. 

 8. -Balanced Draft Bluwrr. 

 9. Balanced Draft- Blow. -r Engine. 



10. Balanced Draft Diu-t. 



11. Feed-Water Heater. 

 H 13. Boikr-Frrd l*uiu|. 



u!- Blow-off Tank. 



15. Blow-off l*uuip. 



I-. II..1U Receiver. 



17. Sump an.l Sump Pump. 



18. Ventilating Itlowi-r. 



19. Ventilating Blower Motor. 



<0. Coal Trolley. 



41. Pneumatic A>li -Coiivcvor Pi (. 



*4. lligh-Pm.Mire Strain Slain. 



43. Auxilian- Steam Main. 



<*. Sidewalk Lift. 



<j. Caul Srmles. 



88. Exhaust Main. 



<7. Exhaust to Hoof. 



48. IVessure-Kediic-inij \'alve. 



. Back-IWmrc Yal\-e. 



30. Ileatiii^ Maiius. 



SI. Exhaust l*i|>ing. 



t. Feed-Water Heater. 



S3. Engine No. I. 



34. Generator No. 1. 



35. Engine No. i. 



86. CenenUorNo. *. 



37. Engine No. 3. 



38. Generator No. 3. 



39. Engine No. 4. 



W. < ii-iifrator No. 4. 



41. Engine No. 5. 



4<. Generator No. 5. 



l:t. Strain Seiiarators. 



44. Main Switch Hoar. I. 



45. Gauge Board. 



46. Telephone Coin|ny's Board. 



47. Klii-tri<-;il I'iiiii|i for Sidewalk Lifts. 



48. Auxiliary Steam I'ump for Sidewalk Lifts. 



49. Tanks for Sidewalk I jfts. 



50. Oil I'uini^. 



51. Fresh-Air Blowers. 



54. Elevators. 

 53-54. Fire PUIIII*. 

 55-56. Low-lVessure House I*umps. 

 57-58. High-fressure House I*um|is. 



59. Hot-Water Service Heaters. 



60. Ice- Water < 'imitating I'uinp- 



61. Ice-Water Filters. 



64. Condenser. 



63. Ice Machine. 



64. Freezing Tank. 



65. Can Dump. 



66. Ice-Water Storage Tank. 



67. Ice-Water Circulating I'ump. 

 68-69. Vacuum I'ump*. 



70. Low-Tension Motor Generator. 



71. Low-Ten>ioii Switch Boards. 



74. Electrical Elevator Position Indicator. 



73. Gauge Board. 



7. Telephone Board. 



75. Emery Wheels. 



76. Hacksaw. 



77. Drill. 



78. Lathes. 



79. Grinding Machine. 



80. Shaking Machine. 



81. Cine-Bending Machine. 



84.-IdU. 



83. Motor. 



84. Lockers. 

 86-86. Air CompreMon. 



87. Air Compressor Tank. 

 88, 80, 90. Vacuum Cleaner Pumps. 



91. Vacuum Cleaner Separator Tanks. 



94. Vacuum Pumps for Drips. 



93. Discharge Tank. 



94. Thermortatic Pump*. 



95. Motor. 



96.-Filter. 



97. Pump Governor. 



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