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1869.] Descriptions. 641 Fig. 3. — Plan of the Cellar. A.. Hot-air chambers, containing coils of steam-pipe directly beneath flues. B. Cold- air duct beneath floor. C. Steam-engine. D. Fan. E. Passage to boiler-house. P. Verti- cal duct supplying fan with air. G. Cellar. H. Cold-air chamber. Fig. 4. — Plan of Principal Story. A. Corridor. B. One of patient's rooms with arrangement of flues. The arrows indi cate the course of the air. C. Dining-hall. D Wicket-door. E. Closet. P. Water-closet G. Sink. H. Washbasin. I. Cold-air shaft K. Warming-table. L. L. Closets. M. Con nection with eighth ward.
