LIST OF ILLUSTRATIONS 



PAGE 



1. Method of constructing a shallow well 25 



2. Maximum and minimum thermometers 38 



3. Dry and wet bulb thermometer 39 



4. Rain gauge 42 



5. Fortin's barometer 43 



6. Barograph 44 



7. Campbell- Stokes' sunshine recorder 45 



8. Robinson's anemometer 46 



9. Rain water down pipe 51 



10. Soil and waste pipe 52 



11. Heavy drain pipe 52 



12. A bend 53 



13. Inspection bend with bolted cover 53 



14. Junction pipe 54 



15. Inspection junction with bridled cover 54 



16. Inspection chamber with bolted cover 54 



17. Section of manhole showing inspection chamber, &c. . . 55 



18. Three sections of simple syphon traps 57 



19. Dip-stone trap 58 



20. Buchan's disconnecting syphon trap 59 



21. Disconnecting trap with clearing arm 60 



22. Syphon trap with adaptable inlet piece 61 



23. Dean's gully trap 61 



24. Dean's gully trap 62 



25. Road gully trap 62 



26. Double-seal gully 63 



27. Linton's gully top 63 



28. Bell trap 63 



29. Grease box 64 



30. Self-cleansing grease trap 64 



31. Sherringham valve or hopper window 95 



32. Section of hopper window 96 



33. Centre-pivoted window. Section and elevation ... 96 



34. Tobin's tube 97 



35. Drain pipe air inlet 98 



36. Bent pipe air inlet 98 



37. Box air inlet 98 



38. Hit-and-miss window. Section and elevation .... 99 



39. Double cow-shed with open ridge 99 



40. Findlay's ventilating system 100 



41. Roof skylight .... 100 



42. Fireclay ridge ventilators 101 



43. Louvre-board air outlet box 102 



44. Stable with hopper air inlets and louvred outlets . . .103 



