49 
Group 6. Rural engineering — Continued. 
Class 22. Sewage system. 
(a) Chemical studies; sewage systems for irrigating vegetable 
gardens, etc. 
Class 23. Farm machinery. 
(a) Development of machinery, 
^b) Grading and planting. 
'c ) Special machines. 
Class 24. Roads. 
(a) Charts and models showing principles of road construc- 
tion, materials, models, etc. 
(b) Stone and iron culverts. 
Group 7. Rural economics. 
Class 25. Farm administration. 
(a) Statistical study of cost of production. 
DEPARTMENT OF MECHANIC ARTS. 
Group 8. Fundamental subjects. 
Class 26. Chemistry (general). 
Class 27. Physics (general). 
Class 28. Mechanics. 
Class 29. Mathematics (pure and applied). 
Group 9. Civil engineering. 
Class 30. Railway engineering. 
Class 31. Hydraulic engineeriiig. 
Class 32. Municipal and sanitary engineering. 
Class 33. Surveying. 
Class 34. Roads and pavements. 
Class 35. Bridges and framed structures. 
Group 10. Mechanical engineering. 
Class 37. Steam engineering. 
Class 38. Heating and ventilation. 
Class 40. Railroad engineering. 
Class 41. Marine engineering. 
Class 42. Naval architecture. 
Class 43. Mechanical engineering. 
Class — . Strength of materials. 
Group 11. Electrical engineering. 
Class 44. Electrical engineering. 
Class 45. Electric railways. 
Class 46. Electro-chemistry. 
Class 47. Electric power transmission. 
Class 48. Telephony. 
Group 12. Mining engineering. 
Class 50. Assaying. 
Class 51. Metallurgy. 
Class 52. Metallography. 
Class 53. Mine surveying. 
Class 54. Geology. 
Class 55. Economic mining machinery. 
Class 56. Application of electricity to mining operations. 
Group 13. Technical chemistry. 
Class 58. Application of chemistry to making chemical products. 
Class 59. Analytical chemistry. 
Class — . Chemical engineering. 
Group 14. Architecture. 
Class 60. General architecture. 
Class 61. Architectural engineering. 
Group 15. Drawing and shop practice. 
Class 63. Shop practice. 
Class 64. Mechanical drawing, including descriptive geometry. 
Group 16. Industrial and domestic arts. 
Class 65. Domestic science. 
Class 66. Textile industries. 
Class 67. Ceramics. 
Class 68. Decorative art. 
Class 69. Trades. 
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