ILLUSTRATIONS. 



PAGE 



Flg.l. General plan of respiration calorimeter laboratory 4 



2. General view of laboratory taken near main door 4 



3. General view of laboratory taken near refrigeration room 4 



4. General view of laboratory taken near temperature recorder 4 



5. View of laboratory taken from entrance of bed calorimeter 4 



6. Plan of heating and ventilating the calorimeter laboratory 6 



7. Horizontal cross-section of chair calorimeter 11 



8. Vertical cross-section of chair calorimeter 12 



9. Vertical cross-section of chair calorimeter from front to back 13 



10. Photograph of framework of chair calorimeter 14 



11. Photograph of portion of framework and copper shell 14 



12. Cross-section in detail of walls of calorimeter 16 



13. Detail of drop-sight feed-valve and arrangement of outside cooling 



circuit 18 



14. Schematic diagram of water-circuit for the heat-absorbers of the calo- 



rimeter 22 



15. Detail of air-resistance thermometer 28 



16. Details of resistance thermometers for water-circuit 30 



17. Diagram of wiring of observer's table 32 



18. Diagram of rheostat and resistances in series with it 36 



19. Diagram of wiring of differential circuit with shunts used with resist- 



ance thermometers for water-circuit 38 



20. Diagram of galvanometer coil, used with recording apparatus for resist- 



ance thermometers in water-circuit 40 



21. Diagram of wiring of circuits actuating plunger and creeper 41 



22. Diagram of wiring of complete 110-volt circuit 41 



23. Temperature recorder 42 



24. Detailed wiring diagram showing all parts of the recording apparatus, 



together with wiring to thermometers 42 



25. Section of calorimeter walls and portion of ventilating air-circuit 43 



26. Cross-section of bed calorimeter 46 



27. Diagram of ventilation of the respiration calorimeter 57 



28. Cross-section of sulphuric acid absorber 59 



29. Balance for weighing absorbers 62 



30. Diagram of absorber table 66 



31. Diagram of oxygen balance and cylinders 68 



32. The oxygen cylinder and connections to tension equalizer 70 



vii 



