CONDITIONING SYSTEM: With the introduction of the first
successfully operated air-conditioned sleeping car
in 1929, The Pullman Company rapidly added this innovation
in travel comfort to its equipment and by 1937 operated
over 50% of all the air-conditioned passenger cars
in the United States. The mechanical devices employed
in air-conditiong indicated in the car are as follows: 1.
BLOWERS; 4. COOLING COIL OR EVAPORATOR; 5. HEATING RADIATOR;
6. HOLDOVER COIL 7. DUCTS; 8. GRILLED OUTLETS; 9. COMPRESSOR;
CONDENSER; 11. RECEIVING TANK; 12. DOUBLE PULLEY; 13. DRIVE
BELTS; 14. BEVEL GEAR UNIT; 15. DRIVE SHAFT; 16. SPEED CONTROL;
17. STANDY MOTOR; 18. TANK FOR AUXILIARY HOLDOVER SYSTEM;
COOLING COILS; 20. LOWER BERTH NOZZLE OUTLET.
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